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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: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2021-03-31 10:52:13 -07:00 committed by David S. Miller
parent a6175633a2
commit 0dd39d952f
1 changed files with 3 additions and 1 deletions
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4
include/net/netns/ipv6.h
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@ -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;