mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 15:26:21 +09:00
x86: Use memblock to replace early_res
1. replace find_e820_area with memblock_find_in_range
2. replace reserve_early with memblock_x86_reserve_range
3. replace free_early with memblock_x86_free_range.
4. NO_BOOTMEM will switch to use memblock too.
5. use _e820, _early wrap in the patch, in following patch, will
replace them all
6. because memblock_x86_free_range support partial free, we can remove some special care
7. Need to make sure that memblock_find_in_range() is called after memblock_x86_fill()
so adjust some calling later in setup.c::setup_arch()
-- corruption_check and mptable_update
-v2: Move reserve_brk() early
Before fill_memblock_area, to avoid overlap between brk and memblock_find_in_range()
that could happen We have more then 128 RAM entry in E820 tables, and
memblock_x86_fill() could use memblock_find_in_range() to find a new place for
memblock.memory.region array.
and We don't need to use extend_brk() after fill_memblock_area()
So move reserve_brk() early before fill_memblock_area().
-v3: Move find_smp_config early
To make sure memblock_find_in_range not find wrong place, if BIOS doesn't put mptable
in right place.
-v4: Treat RESERVED_KERN as RAM in memblock.memory. and they are already in
memblock.reserved already..
use __NOT_KEEP_MEMBLOCK to make sure memblock related code could be freed later.
-v5: Generic version __memblock_find_in_range() is going from high to low, and for 32bit
active_region for 32bit does include high pages
need to replace the limit with memblock.default_alloc_limit, aka get_max_mapped()
-v6: Use current_limit instead
-v7: check with MEMBLOCK_ERROR instead of -1ULL or -1L
-v8: Set memblock_can_resize early to handle EFI with more RAM entries
-v9: update after kmemleak changes in mainline
Suggested-by: David S. Miller <davem@davemloft.net>
Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
H. Peter Anvin
parent
301ff3e88e
commit
72d7c3b33c
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@ -27,6 +27,7 @@ config X86
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select HAVE_PERF_EVENTS if (!M386 && !M486)
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select HAVE_IOREMAP_PROT
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select HAVE_KPROBES
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select HAVE_MEMBLOCK
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARCH_WANT_FRAME_POINTERS
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select HAVE_DMA_ATTRS
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@ -195,9 +196,6 @@ config ARCH_SUPPORTS_OPTIMIZED_INLINING
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config ARCH_SUPPORTS_DEBUG_PAGEALLOC
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def_bool y
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config HAVE_EARLY_RES
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def_bool y
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config HAVE_INTEL_TXT
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def_bool y
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depends on EXPERIMENTAL && DMAR && ACPI
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@ -590,14 +588,13 @@ config NO_BOOTMEM
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default y
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bool "Disable Bootmem code"
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---help---
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Use early_res directly instead of bootmem before slab is ready.
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Use memblock directly instead of bootmem before slab is ready.
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- allocator (buddy) [generic]
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- early allocator (bootmem) [generic]
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- very early allocator (reserve_early*()) [x86]
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- very early allocator (memblock) [some generic]
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- very very early allocator (early brk model) [x86]
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So reduce one layer between early allocator to final allocator
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config MEMTEST
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bool "Memtest"
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---help---
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@ -117,24 +117,26 @@ extern unsigned long end_user_pfn;
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extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align);
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extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align);
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extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
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#include <linux/early_res.h>
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extern unsigned long e820_end_of_ram_pfn(void);
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extern unsigned long e820_end_of_low_ram_pfn(void);
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extern int e820_find_active_region(const struct e820entry *ei,
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unsigned long start_pfn,
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unsigned long last_pfn,
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unsigned long *ei_startpfn,
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unsigned long *ei_endpfn);
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extern void e820_register_active_regions(int nid, unsigned long start_pfn,
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unsigned long end_pfn);
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extern u64 e820_hole_size(u64 start, u64 end);
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extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
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void memblock_x86_fill(void);
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extern void finish_e820_parsing(void);
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extern void e820_reserve_resources(void);
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extern void e820_reserve_resources_late(void);
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extern void setup_memory_map(void);
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extern char *default_machine_specific_memory_setup(void);
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void reserve_early(u64 start, u64 end, char *name);
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void free_early(u64 start, u64 end);
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/*
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* Returns true iff the specified range [s,e) is completely contained inside
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* the ISA region.
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@ -2,7 +2,8 @@
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#include <linux/sched.h>
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#include <linux/kthread.h>
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#include <linux/workqueue.h>
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#include <asm/e820.h>
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#include <linux/memblock.h>
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#include <asm/proto.h>
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/*
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@ -18,10 +19,12 @@ static int __read_mostly memory_corruption_check = -1;
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static unsigned __read_mostly corruption_check_size = 64*1024;
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static unsigned __read_mostly corruption_check_period = 60; /* seconds */
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static struct e820entry scan_areas[MAX_SCAN_AREAS];
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static struct scan_area {
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u64 addr;
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u64 size;
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} scan_areas[MAX_SCAN_AREAS];
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static int num_scan_areas;
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static __init int set_corruption_check(char *arg)
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{
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char *end;
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@ -81,9 +84,9 @@ void __init setup_bios_corruption_check(void)
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while (addr < corruption_check_size && num_scan_areas < MAX_SCAN_AREAS) {
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u64 size;
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addr = find_e820_area_size(addr, &size, PAGE_SIZE);
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addr = memblock_x86_find_in_range_size(addr, &size, PAGE_SIZE);
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if (!(addr + 1))
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if (addr == MEMBLOCK_ERROR)
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break;
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if (addr >= corruption_check_size)
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@ -92,7 +95,7 @@ void __init setup_bios_corruption_check(void)
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if ((addr + size) > corruption_check_size)
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size = corruption_check_size - addr;
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e820_update_range(addr, size, E820_RAM, E820_RESERVED);
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memblock_x86_reserve_range(addr, addr + size, "SCAN RAM");
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scan_areas[num_scan_areas].addr = addr;
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scan_areas[num_scan_areas].size = size;
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num_scan_areas++;
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@ -105,7 +108,6 @@ void __init setup_bios_corruption_check(void)
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printk(KERN_INFO "Scanning %d areas for low memory corruption\n",
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num_scan_areas);
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update_e820();
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}
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@ -15,6 +15,7 @@
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#include <linux/pfn.h>
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#include <linux/suspend.h>
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#include <linux/firmware-map.h>
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#include <linux/memblock.h>
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#include <asm/e820.h>
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#include <asm/proto.h>
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@ -742,69 +743,29 @@ core_initcall(e820_mark_nvs_memory);
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*/
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u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
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{
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int i;
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u64 mem = memblock_find_in_range(start, end, size, align);
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for (i = 0; i < e820.nr_map; i++) {
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struct e820entry *ei = &e820.map[i];
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u64 addr;
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u64 ei_start, ei_last;
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if (mem == MEMBLOCK_ERROR)
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return -1ULL;
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if (ei->type != E820_RAM)
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continue;
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ei_last = ei->addr + ei->size;
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ei_start = ei->addr;
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addr = find_early_area(ei_start, ei_last, start, end,
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size, align);
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if (addr != -1ULL)
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return addr;
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}
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return -1ULL;
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return mem;
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}
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u64 __init find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align)
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{
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return find_e820_area(start, end, size, align);
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}
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u64 __init get_max_mapped(void)
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{
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u64 end = max_pfn_mapped;
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end <<= PAGE_SHIFT;
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return end;
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}
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/*
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* Find next free range after *start
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*/
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u64 __init find_e820_area_size(u64 start, u64 *sizep, u64 align)
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{
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int i;
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u64 mem = memblock_x86_find_in_range_size(start, sizep, align);
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for (i = 0; i < e820.nr_map; i++) {
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struct e820entry *ei = &e820.map[i];
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u64 addr;
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u64 ei_start, ei_last;
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if (mem == MEMBLOCK_ERROR)
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return -1ULL
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if (ei->type != E820_RAM)
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continue;
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ei_last = ei->addr + ei->size;
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ei_start = ei->addr;
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addr = find_early_area_size(ei_start, ei_last, start,
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sizep, align);
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if (addr != -1ULL)
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return addr;
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}
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return -1ULL;
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return mem;
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}
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/*
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* pre allocated 4k and reserved it in e820
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* pre allocated 4k and reserved it in memblock and e820_saved
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*/
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u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
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{
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@ -813,8 +774,8 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
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u64 start;
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for (start = startt; ; start += size) {
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start = find_e820_area_size(start, &size, align);
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if (!(start + 1))
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start = memblock_x86_find_in_range_size(start, &size, align);
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if (start == MEMBLOCK_ERROR)
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return 0;
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if (size >= sizet)
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break;
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@ -830,10 +791,9 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
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addr = round_down(start + size - sizet, align);
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if (addr < start)
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return 0;
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e820_update_range(addr, sizet, E820_RAM, E820_RESERVED);
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memblock_x86_reserve_range(addr, addr + sizet, "new next");
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e820_update_range_saved(addr, sizet, E820_RAM, E820_RESERVED);
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printk(KERN_INFO "update e820 for early_reserve_e820\n");
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update_e820();
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printk(KERN_INFO "update e820_saved for early_reserve_e820\n");
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update_e820_saved();
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return addr;
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@ -895,52 +855,12 @@ unsigned long __init e820_end_of_low_ram_pfn(void)
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{
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return e820_end_pfn(1UL<<(32 - PAGE_SHIFT), E820_RAM);
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}
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/*
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* Finds an active region in the address range from start_pfn to last_pfn and
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* returns its range in ei_startpfn and ei_endpfn for the e820 entry.
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*/
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int __init e820_find_active_region(const struct e820entry *ei,
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unsigned long start_pfn,
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unsigned long last_pfn,
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unsigned long *ei_startpfn,
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unsigned long *ei_endpfn)
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{
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u64 align = PAGE_SIZE;
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*ei_startpfn = round_up(ei->addr, align) >> PAGE_SHIFT;
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*ei_endpfn = round_down(ei->addr + ei->size, align) >> PAGE_SHIFT;
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/* Skip map entries smaller than a page */
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if (*ei_startpfn >= *ei_endpfn)
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return 0;
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/* Skip if map is outside the node */
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if (ei->type != E820_RAM || *ei_endpfn <= start_pfn ||
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*ei_startpfn >= last_pfn)
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return 0;
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/* Check for overlaps */
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if (*ei_startpfn < start_pfn)
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*ei_startpfn = start_pfn;
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if (*ei_endpfn > last_pfn)
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*ei_endpfn = last_pfn;
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return 1;
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}
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/* Walk the e820 map and register active regions within a node */
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void __init e820_register_active_regions(int nid, unsigned long start_pfn,
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unsigned long last_pfn)
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{
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unsigned long ei_startpfn;
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unsigned long ei_endpfn;
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int i;
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for (i = 0; i < e820.nr_map; i++)
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if (e820_find_active_region(&e820.map[i],
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start_pfn, last_pfn,
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&ei_startpfn, &ei_endpfn))
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add_active_range(nid, ei_startpfn, ei_endpfn);
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memblock_x86_register_active_regions(nid, start_pfn, last_pfn);
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}
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/*
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@ -950,18 +870,16 @@ void __init e820_register_active_regions(int nid, unsigned long start_pfn,
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*/
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u64 __init e820_hole_size(u64 start, u64 end)
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{
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unsigned long start_pfn = start >> PAGE_SHIFT;
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unsigned long last_pfn = end >> PAGE_SHIFT;
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unsigned long ei_startpfn, ei_endpfn, ram = 0;
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int i;
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return memblock_x86_hole_size(start, end);
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}
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for (i = 0; i < e820.nr_map; i++) {
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if (e820_find_active_region(&e820.map[i],
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start_pfn, last_pfn,
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&ei_startpfn, &ei_endpfn))
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ram += ei_endpfn - ei_startpfn;
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}
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return end - start - ((u64)ram << PAGE_SHIFT);
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void reserve_early(u64 start, u64 end, char *name)
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{
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memblock_x86_reserve_range(start, end, name);
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}
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void free_early(u64 start, u64 end)
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{
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memblock_x86_free_range(start, end);
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}
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static void early_panic(char *msg)
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@ -1210,3 +1128,32 @@ void __init setup_memory_map(void)
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printk(KERN_INFO "BIOS-provided physical RAM map:\n");
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e820_print_map(who);
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}
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void __init memblock_x86_fill(void)
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{
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int i;
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u64 end;
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/*
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* EFI may have more than 128 entries
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* We are safe to enable resizing, beause memblock_x86_fill()
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* is rather later for x86
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*/
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memblock_can_resize = 1;
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for (i = 0; i < e820.nr_map; i++) {
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struct e820entry *ei = &e820.map[i];
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end = ei->addr + ei->size;
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if (end != (resource_size_t)end)
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continue;
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if (ei->type != E820_RAM && ei->type != E820_RESERVED_KERN)
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continue;
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memblock_add(ei->addr, ei->size);
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}
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memblock_analyze();
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memblock_dump_all();
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}
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@ -1,5 +1,6 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/memblock.h>
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#include <asm/setup.h>
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#include <asm/bios_ebda.h>
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@ -51,5 +52,5 @@ void __init reserve_ebda_region(void)
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lowmem = 0x9f000;
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/* reserve all memory between lowmem and the 1MB mark */
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reserve_early_overlap_ok(lowmem, 0x100000, "BIOS reserved");
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memblock_x86_reserve_range(lowmem, 0x100000, "* BIOS reserved");
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}
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@ -8,6 +8,7 @@
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#include <linux/init.h>
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#include <linux/start_kernel.h>
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#include <linux/mm.h>
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#include <linux/memblock.h>
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#include <asm/setup.h>
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#include <asm/sections.h>
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@ -30,14 +31,15 @@ static void __init i386_default_early_setup(void)
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void __init i386_start_kernel(void)
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{
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memblock_init();
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#ifdef CONFIG_X86_TRAMPOLINE
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/*
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* But first pinch a few for the stack/trampoline stuff
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* FIXME: Don't need the extra page at 4K, but need to fix
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* trampoline before removing it. (see the GDT stuff)
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*/
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reserve_early_overlap_ok(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE,
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"EX TRAMPOLINE");
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memblock_x86_reserve_range(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE");
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#endif
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reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
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@ -12,6 +12,7 @@
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#include <linux/percpu.h>
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#include <linux/start_kernel.h>
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#include <linux/io.h>
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#include <linux/memblock.h>
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#include <asm/processor.h>
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#include <asm/proto.h>
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@ -98,6 +99,8 @@ void __init x86_64_start_reservations(char *real_mode_data)
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{
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copy_bootdata(__va(real_mode_data));
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memblock_init();
|
||||
|
||||
reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
|
||||
|
||||
#ifdef CONFIG_BLK_DEV_INITRD
|
||||
|
|
|
|||
|
|
@ -11,6 +11,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <linux/memblock.h>
|
||||
#include <linux/kernel_stat.h>
|
||||
#include <linux/mc146818rtc.h>
|
||||
#include <linux/bitops.h>
|
||||
|
|
@ -641,7 +642,7 @@ static void __init smp_reserve_memory(struct mpf_intel *mpf)
|
|||
{
|
||||
unsigned long size = get_mpc_size(mpf->physptr);
|
||||
|
||||
reserve_early_overlap_ok(mpf->physptr, mpf->physptr+size, "MP-table mpc");
|
||||
memblock_x86_reserve_range(mpf->physptr, mpf->physptr+size, "* MP-table mpc");
|
||||
}
|
||||
|
||||
static int __init smp_scan_config(unsigned long base, unsigned long length)
|
||||
|
|
@ -670,7 +671,7 @@ static int __init smp_scan_config(unsigned long base, unsigned long length)
|
|||
mpf, (u64)virt_to_phys(mpf));
|
||||
|
||||
mem = virt_to_phys(mpf);
|
||||
reserve_early_overlap_ok(mem, mem + sizeof(*mpf), "MP-table mpf");
|
||||
memblock_x86_reserve_range(mem, mem + sizeof(*mpf), "* MP-table mpf");
|
||||
if (mpf->physptr)
|
||||
smp_reserve_memory(mpf);
|
||||
|
||||
|
|
|
|||
|
|
@ -31,6 +31,7 @@
|
|||
#include <linux/apm_bios.h>
|
||||
#include <linux/initrd.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <linux/memblock.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/console.h>
|
||||
#include <linux/mca.h>
|
||||
|
|
@ -614,7 +615,7 @@ static __init void reserve_ibft_region(void)
|
|||
addr = find_ibft_region(&size);
|
||||
|
||||
if (size)
|
||||
reserve_early_overlap_ok(addr, addr + size, "ibft");
|
||||
memblock_x86_reserve_range(addr, addr + size, "* ibft");
|
||||
}
|
||||
|
||||
#ifdef CONFIG_X86_RESERVE_LOW_64K
|
||||
|
|
@ -708,6 +709,15 @@ static void __init trim_bios_range(void)
|
|||
sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
|
||||
}
|
||||
|
||||
static u64 __init get_max_mapped(void)
|
||||
{
|
||||
u64 end = max_pfn_mapped;
|
||||
|
||||
end <<= PAGE_SHIFT;
|
||||
|
||||
return end;
|
||||
}
|
||||
|
||||
/*
|
||||
* Determine if we were loaded by an EFI loader. If so, then we have also been
|
||||
* passed the efi memmap, systab, etc., so we should use these data structures
|
||||
|
|
@ -891,8 +901,6 @@ void __init setup_arch(char **cmdline_p)
|
|||
*/
|
||||
max_pfn = e820_end_of_ram_pfn();
|
||||
|
||||
/* preallocate 4k for mptable mpc */
|
||||
early_reserve_e820_mpc_new();
|
||||
/* update e820 for memory not covered by WB MTRRs */
|
||||
mtrr_bp_init();
|
||||
if (mtrr_trim_uncached_memory(max_pfn))
|
||||
|
|
@ -917,15 +925,6 @@ void __init setup_arch(char **cmdline_p)
|
|||
max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT;
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
|
||||
setup_bios_corruption_check();
|
||||
#endif
|
||||
|
||||
printk(KERN_DEBUG "initial memory mapped : 0 - %08lx\n",
|
||||
max_pfn_mapped<<PAGE_SHIFT);
|
||||
|
||||
reserve_brk();
|
||||
|
||||
/*
|
||||
* Find and reserve possible boot-time SMP configuration:
|
||||
*/
|
||||
|
|
@ -933,6 +932,26 @@ void __init setup_arch(char **cmdline_p)
|
|||
|
||||
reserve_ibft_region();
|
||||
|
||||
/*
|
||||
* Need to conclude brk, before memblock_x86_fill()
|
||||
* it could use memblock_find_in_range, could overlap with
|
||||
* brk area.
|
||||
*/
|
||||
reserve_brk();
|
||||
|
||||
memblock.current_limit = get_max_mapped();
|
||||
memblock_x86_fill();
|
||||
|
||||
/* preallocate 4k for mptable mpc */
|
||||
early_reserve_e820_mpc_new();
|
||||
|
||||
#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
|
||||
setup_bios_corruption_check();
|
||||
#endif
|
||||
|
||||
printk(KERN_DEBUG "initial memory mapped : 0 - %08lx\n",
|
||||
max_pfn_mapped<<PAGE_SHIFT);
|
||||
|
||||
reserve_trampoline_memory();
|
||||
|
||||
#ifdef CONFIG_ACPI_SLEEP
|
||||
|
|
@ -956,6 +975,7 @@ void __init setup_arch(char **cmdline_p)
|
|||
max_low_pfn = max_pfn;
|
||||
}
|
||||
#endif
|
||||
memblock.current_limit = get_max_mapped();
|
||||
|
||||
/*
|
||||
* NOTE: On x86-32, only from this point on, fixmaps are ready for use.
|
||||
|
|
@ -995,7 +1015,7 @@ void __init setup_arch(char **cmdline_p)
|
|||
|
||||
initmem_init(0, max_pfn, acpi, k8);
|
||||
#ifndef CONFIG_NO_BOOTMEM
|
||||
early_res_to_bootmem(0, max_low_pfn<<PAGE_SHIFT);
|
||||
memblock_x86_to_bootmem(0, max_low_pfn<<PAGE_SHIFT);
|
||||
#endif
|
||||
|
||||
dma32_reserve_bootmem();
|
||||
|
|
|
|||
|
|
@ -131,13 +131,7 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
|
|||
|
||||
static void __init pcpu_fc_free(void *ptr, size_t size)
|
||||
{
|
||||
#ifdef CONFIG_NO_BOOTMEM
|
||||
u64 start = __pa(ptr);
|
||||
u64 end = start + size;
|
||||
free_early_partial(start, end);
|
||||
#else
|
||||
free_bootmem(__pa(ptr), size);
|
||||
#endif
|
||||
}
|
||||
|
||||
static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@
|
|||
#include <linux/string.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <linux/memblock.h>
|
||||
#include <linux/mmzone.h>
|
||||
#include <linux/ctype.h>
|
||||
#include <linux/module.h>
|
||||
|
|
@ -171,8 +172,8 @@ static void * __init early_node_mem(int nodeid, unsigned long start,
|
|||
if (start < (MAX_DMA32_PFN<<PAGE_SHIFT) &&
|
||||
end > (MAX_DMA32_PFN<<PAGE_SHIFT))
|
||||
start = MAX_DMA32_PFN<<PAGE_SHIFT;
|
||||
mem = find_e820_area(start, end, size, align);
|
||||
if (mem != -1L)
|
||||
mem = memblock_x86_find_in_range_node(nodeid, start, end, size, align);
|
||||
if (mem != MEMBLOCK_ERROR)
|
||||
return __va(mem);
|
||||
|
||||
/* extend the search scope */
|
||||
|
|
@ -181,8 +182,8 @@ static void * __init early_node_mem(int nodeid, unsigned long start,
|
|||
start = MAX_DMA32_PFN<<PAGE_SHIFT;
|
||||
else
|
||||
start = MAX_DMA_PFN<<PAGE_SHIFT;
|
||||
mem = find_e820_area(start, end, size, align);
|
||||
if (mem != -1L)
|
||||
mem = memblock_x86_find_in_range_node(nodeid, start, end, size, align);
|
||||
if (mem != MEMBLOCK_ERROR)
|
||||
return __va(mem);
|
||||
|
||||
printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@
|
|||
#include <linux/module.h>
|
||||
#include <linux/kmemleak.h>
|
||||
#include <linux/range.h>
|
||||
#include <linux/memblock.h>
|
||||
|
||||
#include <asm/bug.h>
|
||||
#include <asm/io.h>
|
||||
|
|
@ -434,6 +435,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
|
|||
unsigned long size)
|
||||
{
|
||||
#ifdef CONFIG_NO_BOOTMEM
|
||||
kmemleak_free_part(__va(physaddr), size);
|
||||
free_early(physaddr, physaddr + size);
|
||||
#else
|
||||
unsigned long start, end;
|
||||
|
|
@ -459,6 +461,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
|
|||
void __init free_bootmem(unsigned long addr, unsigned long size)
|
||||
{
|
||||
#ifdef CONFIG_NO_BOOTMEM
|
||||
kmemleak_free_part(__va(addr), size);
|
||||
free_early(addr, addr + size);
|
||||
#else
|
||||
unsigned long start, end;
|
||||
|
|
|
|||
|
|
@ -3667,46 +3667,26 @@ int __init add_from_early_node_map(struct range *range, int az,
|
|||
void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
|
||||
u64 goal, u64 limit)
|
||||
{
|
||||
int i;
|
||||
void *ptr;
|
||||
u64 addr;
|
||||
|
||||
if (limit > get_max_mapped())
|
||||
limit = get_max_mapped();
|
||||
if (limit > memblock.current_limit)
|
||||
limit = memblock.current_limit;
|
||||
|
||||
/* need to go over early_node_map to find out good range for node */
|
||||
for_each_active_range_index_in_nid(i, nid) {
|
||||
u64 addr;
|
||||
u64 ei_start, ei_last;
|
||||
addr = find_memory_core_early(nid, size, align, goal, limit);
|
||||
|
||||
ei_last = early_node_map[i].end_pfn;
|
||||
ei_last <<= PAGE_SHIFT;
|
||||
ei_start = early_node_map[i].start_pfn;
|
||||
ei_start <<= PAGE_SHIFT;
|
||||
addr = find_early_area(ei_start, ei_last,
|
||||
goal, limit, size, align);
|
||||
if (addr == MEMBLOCK_ERROR)
|
||||
return NULL;
|
||||
|
||||
if (addr == -1ULL)
|
||||
continue;
|
||||
|
||||
#if 0
|
||||
printk(KERN_DEBUG "alloc (nid=%d %llx - %llx) (%llx - %llx) %llx %llx => %llx\n",
|
||||
nid,
|
||||
ei_start, ei_last, goal, limit, size,
|
||||
align, addr);
|
||||
#endif
|
||||
|
||||
ptr = phys_to_virt(addr);
|
||||
memset(ptr, 0, size);
|
||||
reserve_early_without_check(addr, addr + size, "BOOTMEM");
|
||||
/*
|
||||
* The min_count is set to 0 so that bootmem allocated blocks
|
||||
* are never reported as leaks.
|
||||
*/
|
||||
kmemleak_alloc(ptr, size, 0, 0);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
ptr = phys_to_virt(addr);
|
||||
memset(ptr, 0, size);
|
||||
memblock_x86_reserve_range(addr, addr + size, "BOOTMEM");
|
||||
/*
|
||||
* The min_count is set to 0 so that bootmem allocated blocks
|
||||
* are never reported as leaks.
|
||||
*/
|
||||
kmemleak_alloc(ptr, size, 0, 0);
|
||||
return ptr;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -220,18 +220,7 @@ void __init sparse_mem_maps_populate_node(struct page **map_map,
|
|||
|
||||
if (vmemmap_buf_start) {
|
||||
/* need to free left buf */
|
||||
#ifdef CONFIG_NO_BOOTMEM
|
||||
free_early(__pa(vmemmap_buf_start), __pa(vmemmap_buf_end));
|
||||
if (vmemmap_buf_start < vmemmap_buf) {
|
||||
char name[15];
|
||||
|
||||
snprintf(name, sizeof(name), "MEMMAP %d", nodeid);
|
||||
reserve_early_without_check(__pa(vmemmap_buf_start),
|
||||
__pa(vmemmap_buf), name);
|
||||
}
|
||||
#else
|
||||
free_bootmem(__pa(vmemmap_buf), vmemmap_buf_end - vmemmap_buf);
|
||||
#endif
|
||||
vmemmap_buf = NULL;
|
||||
vmemmap_buf_end = NULL;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user