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authorFlorian Westphal <fw@strlen.de>2014-08-26 14:55:53 +0400
committerDavid S. Miller <davem@davemloft.net>2014-08-28 03:30:49 +0400
commit253ff51635ad6690276ef065d59523c4bd1cd584 (patch)
tree7024bed49e3532b3a382c66150fd2c3681559c87 /net/ipv4/syncookies.c
parent1fc3de94076cd0c1e53e5ba8061763b33c7b27c2 (diff)
downloadlinux-253ff51635ad6690276ef065d59523c4bd1cd584.tar.xz
tcp: syncookies: mark cookie_secret read_mostly
only written once. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/syncookies.c')
-rw-r--r--net/ipv4/syncookies.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index c0c75688896e..0431a8f3c8f4 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -25,7 +25,7 @@
extern int sysctl_tcp_syncookies;
-static u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
+static u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS] __read_mostly;
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)