From: Richard Kennedy Date: Fri, 26 Feb 2010 13:00:43 +0000 (+0100) Subject: block: remove padding from io_context on 64bit builds X-Git-Tag: v2.6.34-rc1~242^2~19 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58c24a61614f5da290068e47fc5ec65370eb61dd;p=pandora-kernel.git 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 ---- patch against 2.6.33 compiled & test on x86_64 AMDX2 regards Richard Signed-off-by: Jens Axboe --- Reading git-diff-tree failed