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From: Eric Dumazet <edumazet@google.com>
To: "David S . Miller" <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Eric Dumazet <eric.dumazet@gmail.com>
Subject: [PATCH net-next] ipv6: shrink struct ipv6_mc_socklist
Date: Tue, 27 Aug 2019 00:08:12 -0700	[thread overview]
Message-ID: <20190827070812.150106-1-edumazet@google.com> (raw)

Remove two holes on 64bit arches, to bring the size
to one cache line exactly.

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 include/net/if_inet6.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 50037913c9b191cb3793e3f072104c10c4257ff2..a01981d7108f96075b6939f4a78f14e7afe93a4e 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -89,9 +89,9 @@ struct ip6_sf_socklist {
 struct ipv6_mc_socklist {
 	struct in6_addr		addr;
 	int			ifindex;
+	unsigned int		sfmode;		/* MCAST_{INCLUDE,EXCLUDE} */
 	struct ipv6_mc_socklist __rcu *next;
 	rwlock_t		sflock;
-	unsigned int		sfmode;		/* MCAST_{INCLUDE,EXCLUDE} */
 	struct ip6_sf_socklist	*sflist;
 	struct rcu_head		rcu;
 };
-- 
2.23.0.187.g17f5b7556c-goog


             reply	other threads:[~2019-08-27  7:08 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-27  7:08 Eric Dumazet [this message]
2019-08-28 21:43 ` [PATCH net-next] ipv6: shrink struct ipv6_mc_socklist David Miller

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