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[SLAB] Introduce kmem_cache_name 

This is for use with slab users that pass a dynamically allocated slab name in
kmem_cache_create, so that before destroying the slab one can retrieve the name
and free its memory.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2005-06-18 22:46:19 -07:00 committed by David S. Miller
parent ee57eef99b
commit 1944972d3b
2 changed files with 7 additions and 0 deletions
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1
include/linux/slab.h
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@ -64,6 +64,7 @@ extern int kmem_cache_shrink(kmem_cache_t *);
extern void *kmem_cache_alloc(kmem_cache_t *, unsigned int __nocast);
extern void kmem_cache_free(kmem_cache_t *, void *);
extern unsigned int kmem_cache_size(kmem_cache_t *);
extern const char *kmem_cache_name(kmem_cache_t *);
extern kmem_cache_t *kmem_find_general_cachep(size_t size, int gfpflags);
/* Size description struct for general caches. */

6
mm/slab.c
View File

@ -2620,6 +2620,12 @@ unsigned int kmem_cache_size(kmem_cache_t *cachep)
}
EXPORT_SYMBOL(kmem_cache_size);
const char *kmem_cache_name(kmem_cache_t *cachep)
{
return cachep->name;
}
EXPORT_SYMBOL_GPL(kmem_cache_name);
struct ccupdate_struct {
kmem_cache_t *cachep;
struct array_cache *new[NR_CPUS];