From: Vegard Nossum <vegard.nossum@gmail.com>
Date: Fri, 8 Jan 2010 22:42:35 +0000 (-0800)
Subject: kmemcheck: make bitfield annotations truly no-ops when disabled
X-Git-Tag: v2.6.33-rc4~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e992cd9b72a18122bd5c958715623057f110793f;p=pandora-kernel.git

kmemcheck: make bitfield annotations truly no-ops when disabled

It turns out that even zero-sized struct members (int foo[0];) will affect
the struct layout, causing us in particular to lose 4 bytes in struct
sock.

This patch fixes the regression in CONFIG_KMEMCHECK=n case.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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