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| author | Richard Kennedy <richard@rsk.demon.co.uk> | 2010-01-26 14:12:43 +0000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-03-03 14:07:55 -0500 |
| commit | 270ba5f7c5dac0bfb564aa35a536fb31ad4075bd (patch) | |
| tree | f1e3247c9ca36d92ea87be5d72e66656d24b71bd /mm/filemap.c | |
| parent | f1771ffaac29a7a4e321ddd94d7873bc0dcefd41 (diff) | |
| download | linux-270ba5f7c5dac0bfb564aa35a536fb31ad4075bd.tar.gz linux-270ba5f7c5dac0bfb564aa35a536fb31ad4075bd.tar.bz2 linux-270ba5f7c5dac0bfb564aa35a536fb31ad4075bd.zip | |
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>
Diffstat (limited to 'mm/filemap.c')
0 files changed, 0 insertions, 0 deletions