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mm/sl[aou]b: Move common kmem_cache_size() to slab.h

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This function is identically defined in all three allocators
and it's trivial to move it to slab.h

Since now it's static, inline, header-defined function
this patch also drops the EXPORT_SYMBOL tag.

Cc: Pekka Enberg <penberg@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Ezequiel Garcia 2012-10-19 09:33:12 -03:00 • committed by Pekka Enberg
parent fe74fe2bf2
commit 242860a47a
4 changed files with 8 additions and 22 deletions
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9
include/linux/slab.h
View file

@ -128,7 +128,6 @@ struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
void kmem_cache_destroy(struct kmem_cache *); void kmem_cache_destroy(struct kmem_cache *);
int kmem_cache_shrink(struct kmem_cache *); int kmem_cache_shrink(struct kmem_cache *);
void kmem_cache_free(struct kmem_cache *, void *); void kmem_cache_free(struct kmem_cache *, void *);
unsigned int kmem_cache_size(struct kmem_cache *);
/* /*
* Please use this macro to create slab caches. Simply specify the * Please use this macro to create slab caches. Simply specify the
@ -388,6 +387,14 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
return kmalloc_node(size, flags | __GFP_ZERO, node); return kmalloc_node(size, flags | __GFP_ZERO, node);
} }
/*
* Determine the size of a slab object
*/
static inline unsigned int kmem_cache_size(struct kmem_cache *s)
{
return s->object_size;
}
void __init kmem_cache_init_late(void); void __init kmem_cache_init_late(void);
#endif /* _LINUX_SLAB_H */ #endif /* _LINUX_SLAB_H */

6
mm/slab.c
View file

@ -3969,12 +3969,6 @@ void kfree(const void *objp)
} }
EXPORT_SYMBOL(kfree); EXPORT_SYMBOL(kfree);
unsigned int kmem_cache_size(struct kmem_cache *cachep)
{
return cachep->object_size;
}
EXPORT_SYMBOL(kmem_cache_size);
/* /*
* This initializes kmem_list3 or resizes various caches for all nodes. * This initializes kmem_list3 or resizes various caches for all nodes.
*/ */

6
mm/slob.c
View file

@ -604,12 +604,6 @@ void kmem_cache_free(struct kmem_cache *c, void *b)
} }
EXPORT_SYMBOL(kmem_cache_free); EXPORT_SYMBOL(kmem_cache_free);
unsigned int kmem_cache_size(struct kmem_cache *c)
{
return c->object_size;
}
EXPORT_SYMBOL(kmem_cache_size);
int __kmem_cache_shutdown(struct kmem_cache *c) int __kmem_cache_shutdown(struct kmem_cache *c)
{ {
/* No way to check for remaining objects */ /* No way to check for remaining objects */

9
mm/slub.c
View file

@ -3121,15 +3121,6 @@ error:
return -EINVAL; return -EINVAL;
} }
/*
* Determine the size of a slab object
*/
unsigned int kmem_cache_size(struct kmem_cache *s)
{
return s->object_size;
}
EXPORT_SYMBOL(kmem_cache_size);
static void list_slab_objects(struct kmem_cache *s, struct page *page, static void list_slab_objects(struct kmem_cache *s, struct page *page,
const char *text) const char *text)
{ {