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authorArnaldo Carvalho de Melo <acme@ghostprotocols.net>2005-06-18 22:46:19 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-18 22:46:19 -0700
commit1944972d3bb651474a5021c9da8d0166ae19f1eb (patch)
treecc638b40d8a7dfb4949d4a84a695ec8915c0fc2b
parentee57eef99b9e19194677f552ebc0690ec35d62db (diff)
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op-kernel-dev-1944972d3bb651474a5021c9da8d0166ae19f1eb.tar.gz
[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>
-rw-r--r--include/linux/slab.h1
-rw-r--r--mm/slab.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 7d66385..76cf7e6 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. */
diff --git a/mm/slab.c b/mm/slab.c
index 8407426..c78d343 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -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];
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