| commit | 6e8267f532a17165ab551ac5fdafcba5333dcca5 | [log] [tgz] |
|---|---|---|
| author | Andi Kleen <ak@linux.intel.com> | Mon Aug 01 21:38:06 2011 -0700 |
| committer | root <root@serles.lst.de> | Fri Oct 28 14:58:57 2011 +0200 |
| tree | 7181c144b28f37d27275f74a538b01f891e149f7 | |
| parent | 0dc2bc49be545626a2dc6da133202ffe69ac3fcc [diff] |
direct-io: use a slab cache for struct dio A direct slab call is slightly faster than kmalloc and can be better cached per CPU. It also avoids rounding to the next kmalloc slab. In addition this enforces cache line alignment for struct dio to avoid any false sharing. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>