| commit | 58c24a61614f5da290068e47fc5ec65370eb61dd | [log] [tgz] |
|---|---|---|
| author | Richard Kennedy <richard@rsk.demon.co.uk> | Fri Feb 26 14:00:43 2010 +0100 |
| committer | Jens Axboe <jens.axboe@oracle.com> | Fri Feb 26 14:00:43 2010 +0100 |
| tree | ae8f51cef37239a4ebe12379deca7042680161c1 | |
| parent | 024f9066165ffe9c8284431c78adcbcddd309831 [diff] |
block: remove padding from io_context on 64bit builds On 64 bit builds when CONFIG_BLK_CGROUP=n (the default) this removes 8 bytes of padding from structure io_context and drops its size from 72 to 64 bytes, so needing one fewer cachelines and allowing more objects per slab in it's kmem_cache. Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> ---- patch against 2.6.33 compiled & test on x86_64 AMDX2 regards Richard Signed-off-by: Jens Axboe <jens.axboe@oracle.com>