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From: Jan Engelhardt <jengelh@medozas.de>
To: kaber@trash.net
Cc: netfilter-devel@vger.kernel.org
Subject: [PATCH 4/7] netfilter: xtables: reduce holes in struct xt_target
Date: Thu, 18 Mar 2010 15:09:46 +0100	[thread overview]
Message-ID: <1268921390-30296-5-git-send-email-jengelh@medozas.de> (raw)
In-Reply-To: <1268921390-30296-1-git-send-email-jengelh@medozas.de>

This will save one full padding chunk (8 bytes on x86_64) per target.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---
 include/linux/netfilter/x_tables.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index cf91473..f8f5551 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -331,6 +331,7 @@ struct xt_target {
 	struct list_head list;
 
 	const char name[XT_FUNCTION_MAXNAMELEN-1];
+	u_int8_t revision;
 
 	/* Returns verdict. Argument order changed since 2.6.9, as this
 	   must now handle non-linear skbs, using skb_copy_bits and
@@ -363,7 +364,6 @@ struct xt_target {
 	unsigned short proto;
 
 	unsigned short family;
-	u_int8_t revision;
 };
 
 /* Furniture shopping... */
-- 
1.7.0.2


  parent reply	other threads:[~2010-03-18 14:09 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-18 14:09 nf-next: struct optimization, print changes Jan Engelhardt
2010-03-18 14:09 ` [PATCH 1/7] netfilter: xtables: make use of caller family rather than match family Jan Engelhardt
2010-03-18 14:09 ` [PATCH 2/7] netfilter: update documentation fields of x_tables.h Jan Engelhardt
2010-03-18 14:09 ` [PATCH 3/7] netfilter: xtables: remove almost-unused xt_match_param.data member Jan Engelhardt
2010-03-18 14:09 ` Jan Engelhardt [this message]
2010-03-18 14:09 ` [PATCH 5/7] netfilter: xtables: do not print any messages on ENOMEM Jan Engelhardt
2010-03-18 14:09 ` [PATCH 6/7] netfilter: xtables: replace custom duprintf with pr_debug Jan Engelhardt
2010-03-18 14:09 ` [PATCH 7/7] netfilter: xt extensions: use pr_<level> Jan Engelhardt
2010-03-19 14:47 ` nf-next: struct optimization, print changes Patrick McHardy
2010-03-19 14:50   ` Jan Engelhardt
2010-03-19 14:56     ` Patrick McHardy

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