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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 <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexey Dobriyan 2017-11-15 17:32:18 -08:00 • committed by Linus Torvalds
commit d50112edde
15 changed files with 97 additions and 81 deletions
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2
mm/slob.c
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@ -524,7 +524,7 @@ size_t ksize(const void *block)
}
EXPORT_SYMBOL(ksize);
int __kmem_cache_create(struct kmem_cache *c, unsigned long flags)
int __kmem_cache_create(struct kmem_cache *c, slab_flags_t flags)
{
if (flags & SLAB_TYPESAFE_BY_RCU) {
/* leave room for rcu footer at the end of object */