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authorAlexey Dobriyan <adobriyan@gmail.com>2018-02-24 21:20:33 +0300
committerDavid S. Miller <davem@davemloft.net>2018-02-26 23:11:48 +0300
commit08009a760213cf6125af9453a51203f4ae108ba1 (patch)
treebcd9f2638df9b6d25f09eccc48b81ec1bee995a5 /net/core
parentcb31232a9c6e30e2fedbd92694b749f484d519d8 (diff)
downloadlinux-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.c2
-rw-r--r--net/core/skbuff.c4
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);