slab: use struct page for slab management

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Now, there are a few field in struct slab, so we can overload these
over struct page. This will save some memory and reduce cache footprint.

After this change, slabp_cache and slab_size no longer related to
a struct slab, so rename them as freelist_cache and freelist_size.

These changes are just mechanical ones and there is no functional change.

Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Pekka Enberg <penberg@iki.fi>

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This commit is contained in:

Joonsoo Kim 2013-10-24 10:07:49 +09:00 • committed by Pekka Enberg

parent 106a74e13b

commit 8456a648cf

3 changed files with 158 additions and 173 deletions

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21

include/linux/mm_types.h

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4

include/linux/slab_def.h

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306

mm/slab.c

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