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slab, slub, slob: add slab_flags_t

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Add sparse-checked slab_flags_t for struct kmem_cache::flags (SLAB_POISON,
etc).

SLAB is bloated temporarily by switching to "unsigned long", but only
temporarily.

Link: http://lkml.kernel.org/r/20171021100225.GA22428@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2017-11-15 17:32:18 -08:00
committed by Linus Torvalds
parent a3ba074447
commit d50112edde
15 changed files with 97 additions and 81 deletions
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2
include/linux/slub_def.h
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@@ -82,7 +82,7 @@ struct kmem_cache_order_objects {
struct kmem_cache {
struct kmem_cache_cpu __percpu *cpu_slab;
/* Used for retriving partial slabs etc */
unsigned long flags;
slab_flags_t flags;
unsigned long min_partial;
int size; /* The size of an object including meta data */
int object_size; /* The size of an object without meta data */