diff options
| -rw-r--r-- | include/linux/mempool.h | 3 | ||||
| -rw-r--r-- | mm/mempool.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mempool.h b/include/linux/mempool.h index b19b3023c880..69b6951e8fd2 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -36,7 +36,8 @@ extern void mempool_free(void *element, mempool_t *pool); /* * A mempool_alloc_t and mempool_free_t that get the memory from - * a slab that is passed in through pool_data. + * a slab cache that is passed in through pool_data. + * Note: the slab cache may not have a ctor function. */ void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data); void mempool_free_slab(void *element, void *pool_data); diff --git a/mm/mempool.c b/mm/mempool.c index 949970db2874..b60fb85526ed 100644 --- a/mm/mempool.c +++ b/mm/mempool.c @@ -15,6 +15,7 @@ #include <linux/mempool.h> #include <linux/blkdev.h> #include <linux/writeback.h> +#include "slab.h" static void add_element(mempool_t *pool, void *element) { @@ -334,6 +335,7 @@ EXPORT_SYMBOL(mempool_free); void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data) { struct kmem_cache *mem = pool_data; + VM_BUG_ON(mem->ctor); return kmem_cache_alloc(mem, gfp_mask); } EXPORT_SYMBOL(mempool_alloc_slab); |