[PATCH] mempool: use common mempool kmalloc allocator

This patch changes several mempool users, all of which are basically just
wrappers around kmalloc(), to use the common mempool_kmalloc/kfree, rather
than their own wrapper function, removing a bunch of duplicated code.

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>

1 files changed, 2 insertions, 11 deletions

diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 4809b209fbb1..da663d2ff552 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -32,16 +32,6 @@ struct io {
 static unsigned _num_ios;
 static mempool_t *_io_pool;
 
-static void *alloc_io(gfp_t gfp_mask, void *pool_data)
-{
-        return kmalloc(sizeof(struct io), gfp_mask);
-}
-
-static void free_io(void *element, void *pool_data)
-{
-        kfree(element);
-}
-
 static unsigned int pages_to_ios(unsigned int pages)
 {
         return 4 * pages;       /* too many ? */
@@ -65,7 +55,8 @@ static int resize_pool(unsigned int new_ios)
 
         } else {
                 /* create new pool */
-                _io_pool = mempool_create(new_ios, alloc_io, free_io, NULL);
+                _io_pool = mempool_create_kmalloc_pool(new_ios,
+                                                       sizeof(struct io));
                 if (!_io_pool)
                         return -ENOMEM;