Browse Source

slab: Update the kmem_cache_create documentation regarding the name parameter

kmem_cache implementations like slub are allowed to merge multiple
caches but only the initial name is preserved. Therefore,
kmem_cache_name() is not guaranteed to return the same pointer passed to
the former function. This patch updates the documentation to make this
clearer.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Catalin Marinas 16 years ago
parent
commit
249da16658
1 changed files with 2 additions and 0 deletions
  1. 2 0
      mm/slab.c

+ 2 - 0
mm/slab.c

@@ -2123,6 +2123,8 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep)
  *
  * @name must be valid until the cache is destroyed. This implies that
  * the module calling this has to destroy the cache before getting unloaded.
+ * Note that kmem_cache_name() is not guaranteed to return the same pointer,
+ * therefore applications must manage it themselves.
  *
  * The flags are
  *