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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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8
include/linux/kmemleak.h
View file

@ -48,14 +48,14 @@ extern void kmemleak_not_leak_phys(phys_addr_t phys) __ref;
extern void kmemleak_ignore_phys(phys_addr_t phys) __ref;
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, unsigned long flags,
int min_count, slab_flags_t flags,
gfp_t gfp)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_alloc(ptr, size, min_count, gfp);
}
static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_free(ptr);
@ -76,7 +76,7 @@ static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
{
}
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, unsigned long flags,
int min_count, slab_flags_t flags,
gfp_t gfp)
{
}
@ -94,7 +94,7 @@ static inline void kmemleak_free(const void *ptr)
static inline void kmemleak_free_part(const void *ptr, size_t size)
{
}
static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
{
}
static inline void kmemleak_free_percpu(const void __percpu *ptr)