From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Tue, 26 Jan 2010 14:12:43 +0000 (+0000)
Subject: fs: re-order super_block to remove 16 bytes of padding on 64bit builds
X-Git-Tag: v2.6.34-rc1~205^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=270ba5f7c5dac0bfb564aa35a536fb31ad4075bd;p=pandora-kernel.git

fs: re-order super_block to remove 16 bytes of padding on 64bit builds

re-order structure super_block to remove 16 bytes of alignment padding
on 64bit builds.

This shrinks the size of super_block from 712 to 696 bytes so requiring
one fewer 64 byte cache lines.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>

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patch against 2.6.33-rc5
compiled & tested on x86_64 AMDX2 desktop machine.

I've been running with this patch applied for several weeks with no
problems.

regards
Richard
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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