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net: make kmem caches as __ro_after_init

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All kmem caches aren't reallocated once set up.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2018-02-24 21:20:33 +03:00 committed by David S. Miller
parent cb31232a9c
commit 08009a7602
6 changed files with 11 additions and 8 deletions
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2
net/core/net_namespace.c
View File

@ -362,7 +362,7 @@ static void dec_net_namespaces(struct ucounts *ucounts)
dec_ucount(ucounts, UCOUNT_NET_NAMESPACES);
}
static struct kmem_cache *net_cachep;
static struct kmem_cache *net_cachep __ro_after_init;
static struct workqueue_struct *netns_wq;
static struct net *net_alloc(void)

4
net/core/skbuff.c
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@ -77,8 +77,8 @@
#include <linux/capability.h>
#include <linux/user_namespace.h>
struct kmem_cache *skbuff_head_cache __read_mostly;
static struct kmem_cache *skbuff_fclone_cache __read_mostly;
struct kmem_cache *skbuff_head_cache __ro_after_init;
static struct kmem_cache *skbuff_fclone_cache __ro_after_init;
int sysctl_max_skb_frags __read_mostly = MAX_SKB_FRAGS;
EXPORT_SYMBOL(sysctl_max_skb_frags);

5
net/ipv4/fib_trie.c
View File

@ -50,6 +50,7 @@
#define VERSION "0.409"
#include <linux/cache.h>
#include <linux/uaccess.h>
#include <linux/bitops.h>
#include <linux/types.h>
@ -191,8 +192,8 @@ static size_t tnode_free_size;
*/
static const int sync_pages = 128;
static struct kmem_cache *fn_alias_kmem __read_mostly;
static struct kmem_cache *trie_leaf_kmem __read_mostly;
static struct kmem_cache *fn_alias_kmem __ro_after_init;
static struct kmem_cache *trie_leaf_kmem __ro_after_init;
static inline struct tnode *tn_info(struct key_vector *kv)
{

3
net/ipv4/inetpeer.c
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@ -6,6 +6,7 @@
* Authors: Andrey V. Savochkin <saw@msu.ru>
*/
#include <linux/cache.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/slab.h>
@ -51,7 +52,7 @@
* daddr: unchangeable
*/
static struct kmem_cache *peer_cachep __read_mostly;
static struct kmem_cache *peer_cachep __ro_after_init;
void inet_peer_base_init(struct inet_peer_base *bp)
{

3
net/ipv4/ipmr.c
View File

@ -28,6 +28,7 @@
#include <linux/uaccess.h>
#include <linux/types.h>
#include <linux/cache.h>
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/timer.h>
@ -96,7 +97,7 @@ static DEFINE_SPINLOCK(mfc_unres_lock);
* In this case data path is free of exclusive locks at all.
*/
static struct kmem_cache *mrt_cachep __read_mostly;
static struct kmem_cache *mrt_cachep __ro_after_init;
static struct mr_table *ipmr_new_table(struct net *net, u32 id);
static void ipmr_free_table(struct mr_table *mrt);

2
net/socket.c
View File

@ -233,7 +233,7 @@ static int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
return __put_user(klen, ulen);
}
static struct kmem_cache *sock_inode_cachep __read_mostly;
static struct kmem_cache *sock_inode_cachep __ro_after_init;
static struct inode *sock_alloc_inode(struct super_block *sb)
{