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| author | Andi Kleen <ak@linux.intel.com> | 2011-08-02 06:38:06 +0200 |
|---|---|---|
| committer | root <root@serles.lst.de> | 2011-10-28 14:58:57 +0200 |
| commit | 6e8267f532a17165ab551ac5fdafcba5333dcca5 (patch) | |
| tree | 7181c144b28f37d27275f74a538b01f891e149f7 /mm/rmap.c | |
| parent | direct-io: rearrange fields in dio/dio_submit to avoid holes (diff) | |
| download | linux-6e8267f532a17165ab551ac5fdafcba5333dcca5.tar.xz linux-6e8267f532a17165ab551ac5fdafcba5333dcca5.zip | |
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>
Diffstat (limited to 'mm/rmap.c')
0 files changed, 0 insertions, 0 deletions