diff options
author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-02-24 21:20:33 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-02-26 23:11:48 +0300 |
commit | 08009a760213cf6125af9453a51203f4ae108ba1 (patch) | |
tree | bcd9f2638df9b6d25f09eccc48b81ec1bee995a5 /net/core | |
parent | cb31232a9c6e30e2fedbd92694b749f484d519d8 (diff) | |
download | linux-08009a760213cf6125af9453a51203f4ae108ba1.tar.xz |
net: make kmem caches as __ro_after_init
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>
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/net_namespace.c | 2 | ||||
-rw-r--r-- | net/core/skbuff.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 27a55236ad64..690e78c6af45 100644 --- 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) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 1a7485a2cdfa..96d36b81a3a5 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -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); |