| commit | c4081ba5c9f6f7bdffe49e501a8604a2c0797ef9 | |
| author | Richard Kennedy <richard@rsk.demon.co.uk> | |
| Mon, 22 Feb 2010 12:49:24 +0000 (22 13:49 +0100) | ||
| committer | Jens Axboe <jens.axboe@oracle.com> | |
| Mon, 22 Feb 2010 12:49:24 +0000 (22 13:49 +0100) | ||
| tree | 2c2f59a61dc7a68088ff36262de3834b46334477 | treesnapshot (tar.gz zip) |
| parent | f11cbd74c5ff3614f6390b4de67a6ffdc614c378 | commitdiff |
cfq: reorder cfq_queue removing padding on 64bit
This removes 8 bytes of padding from struct cfq_queue on 64 bit builds,
shrinking it's size to 256 bytes, so fitting into 1 fewer cachelines and
allowing 1 more object/slab in it's kmem_cache.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
----
patch against 2.6.33-rc8
tested on x86_64 AMDX2
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This removes 8 bytes of padding from struct cfq_queue on 64 bit builds,
shrinking it's size to 256 bytes, so fitting into 1 fewer cachelines and
allowing 1 more object/slab in it's kmem_cache.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
----
patch against 2.6.33-rc8
tested on x86_64 AMDX2
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| block/cfq-iosched.c | diffblobblamehistory |