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Commit 1944972d authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
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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: default avatarArnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ee57eef9

include/linux/slab.h

+1 −0
Original line number Diff line number Diff line
@@ -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. */

mm/slab.c

+6 −0
Original line number Diff line number Diff line
@@ -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];