Commit 0dd39d95 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: move ip6_dst_ops first in netns_ipv6 



ip6_dst_ops have cache line alignement.

Moving it at beginning of netns_ipv6
removes a 48 byte hole, and shrinks netns_ipv6
from 12 to 11 cache lines.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a6175633

include/net/netns/ipv6.h

+3 −1
Original line number Diff line number Diff line
@@ -55,6 +55,9 @@ struct netns_sysctl_ipv6 { 
};



struct netns_ipv6 {

	/* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */

	struct dst_ops		ip6_dst_ops;



	struct netns_sysctl_ipv6 sysctl;

	struct ipv6_devconf	*devconf_all;

	struct ipv6_devconf	*devconf_dflt;
@@ -76,7 +79,6 @@ struct netns_ipv6 { 
	struct hlist_head       *fib_table_hash;

	struct fib6_table       *fib6_main_tbl;

	struct list_head	fib6_walkers;

	struct dst_ops		ip6_dst_ops;

	rwlock_t		fib6_walker_lock;

	spinlock_t		fib6_gc_lock;

	unsigned int		 ip6_rt_gc_expire;