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net: struct xfrm_tunnel in read_mostly section

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tunnel4_handlers chain being scanned for each incoming packet,
make sure it doesnt share an often dirtied cache line.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-08-30 07:04:14 +00:00
committed by David S. Miller
parent c274f29120
commit 6dcd814bd0
4 changed files with 6 additions and 6 deletions
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4
net/ipv4/tunnel4.c
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@@ -14,8 +14,8 @@
#include <net/protocol.h>
#include <net/xfrm.h>
static struct xfrm_tunnel *tunnel4_handlers;
static struct xfrm_tunnel *tunnel64_handlers;
static struct xfrm_tunnel *tunnel4_handlers __read_mostly;
static struct xfrm_tunnel *tunnel64_handlers __read_mostly;
static DEFINE_MUTEX(tunnel4_mutex);
static inline struct xfrm_tunnel **fam_handlers(unsigned short family)