[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>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 7d66385ae750..76cf7e60216c 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -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. */