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SLUB: add some more inlines and #ifdef CONFIG_SLUB_DEBUG

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Add #ifdefs around data structures only needed if debugging is compiled into
SLUB.

Add inlines to small functions to reduce code size.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter 2007-07-17 04:03:24 -07:00 committed by Linus Torvalds
parent d07dbea464
commit 0c71001320
2 changed files with 11 additions and 6 deletions
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4
include/linux/slub_def.h
View File

@ -16,7 +16,9 @@ struct kmem_cache_node {
unsigned long nr_partial;
atomic_long_t nr_slabs;
struct list_head partial;
#ifdef CONFIG_SLUB_DEBUG
struct list_head full;
#endif
};
/*
@ -44,7 +46,9 @@ struct kmem_cache {
int align; /* Alignment */
const char *name; /* Name (only for display!) */
struct list_head list; /* List of slab caches */
#ifdef CONFIG_SLUB_DEBUG
struct kobject kobj; /* For sysfs */
#endif
#ifdef CONFIG_NUMA
int defrag_ratio;

13
mm/slub.c
View File

@ -252,9 +252,10 @@ static int sysfs_slab_add(struct kmem_cache *);
static int sysfs_slab_alias(struct kmem_cache *, const char *);
static void sysfs_slab_remove(struct kmem_cache *);
#else
static int sysfs_slab_add(struct kmem_cache *s) { return 0; }
static int sysfs_slab_alias(struct kmem_cache *s, const char *p) { return 0; }
static void sysfs_slab_remove(struct kmem_cache *s) {}
static inline int sysfs_slab_add(struct kmem_cache *s) { return 0; }
static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p)
{ return 0; }
static inline void sysfs_slab_remove(struct kmem_cache *s) {}
#endif
/********************************************************************
@ -1395,7 +1396,7 @@ static void deactivate_slab(struct kmem_cache *s, struct page *page, int cpu)
unfreeze_slab(s, page);
}
static void flush_slab(struct kmem_cache *s, struct page *page, int cpu)
static inline void flush_slab(struct kmem_cache *s, struct page *page, int cpu)
{
slab_lock(page);
deactivate_slab(s, page, cpu);
@ -1405,7 +1406,7 @@ static void flush_slab(struct kmem_cache *s, struct page *page, int cpu)
* Flush cpu slab.
* Called from IPI handler with interrupts disabled.
*/
static void __flush_cpu_slab(struct kmem_cache *s, int cpu)
static inline void __flush_cpu_slab(struct kmem_cache *s, int cpu)
{
struct page *page = s->cpu_slab[cpu];
@ -2165,7 +2166,7 @@ static int free_list(struct kmem_cache *s, struct kmem_cache_node *n,
/*
* Release all resources used by a slab cache.
*/
static int kmem_cache_close(struct kmem_cache *s)
static inline int kmem_cache_close(struct kmem_cache *s)
{
int node;