All kmem caches aren't reallocated once set up.
Signed-off-by: Alexey Dobriyan
---
net/core/net_namespace.c |2 +-
net/core/skbuff.c|4 ++--
net/ipv4/fib_trie.c |5 +++--
net/ipv4/inetpeer.c |3 ++-
net/ipv4/ipmr.c |3 ++-
net/socket.c |2 +-
6 files changed, 11 insertions(+), 8 deletions(-)
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -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)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -77,8 +77,8 @@
#include
#include
-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);
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -50,6 +50,7 @@
#define VERSION "0.409"
+#include
#include
#include
#include
@@ -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)
{
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -6,6 +6,7 @@
* Authors: Andrey V. Savochkin
*/
+#include
#include
#include
#include
@@ -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)
{
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -28,6 +28,7 @@
#include
#include
+#include
#include
#include
#include
@@ -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);
--- a/net/socket.c
+++ b/net/socket.c
@@ -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)
{