Commit 08009a76 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
Browse files

net: make kmem caches as __ro_after_init 



All kmem caches aren't reallocated once set up.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cb31232a

net/core/net_namespace.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

net/core/skbuff.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

net/ipv4/fib_trie.c

+3 −2
Original line number Diff line number Diff line
@@ -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)

{

net/ipv4/inetpeer.c

+2 −1
Original line number Diff line number Diff line
@@ -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)

{

net/ipv4/ipmr.c

+2 −1
Original line number Diff line number Diff line
@@ -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);