[PATCH] mempool: add kmalloc allocator
Add another allocator to the common mempool code: a kmalloc/kfree allocator
This will be used by the next patch in the series to replace duplicate
mempool-backed kmalloc allocators in several places in the kernel. It is also
very likely that there will be more users in the future.
Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/mempool.h b/include/linux/mempool.h
index 9787572..d23dbf0 100644
--- a/include/linux/mempool.h
+++ b/include/linux/mempool.h
@@ -39,6 +39,18 @@
void mempool_free_slab(void *element, void *pool_data);
/*
+ * A mempool_alloc_t and mempool_free_t to kmalloc the amount of memory
+ * specified by pool_data
+ */
+void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data);
+void mempool_kfree(void *element, void *pool_data);
+static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size)
+{
+ return mempool_create(min_nr, mempool_kmalloc, mempool_kfree,
+ (void *) size);
+}
+
+/*
* A mempool_alloc_t and mempool_free_t for a simple page allocator that
* allocates pages of the order specified by pool_data
*/