netdev - [PATCH net-next] ipv4/igmp: shrink struct ip_sf

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Message-Id: <20190522220025.78765-1-edumazet@google.com>
Date:   Wed, 22 May 2019 15:00:25 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next] ipv4/igmp: shrink struct ip_sf_list

Removing two 4 bytes holes allows to use kmalloc-32
kmem cache instead of kmalloc-64 on 64bit kernels.

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

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 9c94b2ea789ceb9a06d9da0d8b07d28801732930..6649cb78de4ae5c3973337f3c23a7c184df90932 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -65,8 +65,8 @@ struct ip_mc_socklist {
 
 struct ip_sf_list {
 	struct ip_sf_list	*sf_next;
-	__be32			sf_inaddr;
 	unsigned long		sf_count[2];	/* include/exclude counts */
+	__be32			sf_inaddr;
 	unsigned char		sf_gsresp;	/* include in g & s response? */
 	unsigned char		sf_oldin;	/* change state */
 	unsigned char		sf_crcount;	/* retrans. left to send */
-- 
2.21.0.1020.gf2820cf01a-goog