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ipv6: struct xfrm6_tunnel in read_mostly section

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tunnel6_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 10:27:10 +00:00
committed by David S. Miller
parent 6dcd814bd0
commit 3ff2cfa55f
3 changed files with 6 additions and 6 deletions
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4
net/ipv6/tunnel6.c
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@@ -30,8 +30,8 @@
#include <net/protocol.h>
#include <net/xfrm.h>
static struct xfrm6_tunnel *tunnel6_handlers;
static struct xfrm6_tunnel *tunnel46_handlers;
static struct xfrm6_tunnel *tunnel6_handlers __read_mostly;
static struct xfrm6_tunnel *tunnel46_handlers __read_mostly;
static DEFINE_MUTEX(tunnel6_mutex);
int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)