[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, 12 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 6cfa8d435d55..4e90f231fbfb 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -122,16 +122,6 @@ static inline sector_t region_to_sector(struct region_hash *rh, region_t region)
 /* FIXME move this */
 static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw);
 
-static void *region_alloc(gfp_t gfp_mask, void *pool_data)
-{
-        return kmalloc(sizeof(struct region), gfp_mask);
-}
-
-static void region_free(void *element, void *pool_data)
-{
-        kfree(element);
-}
-
 #define MIN_REGIONS 64
 #define MAX_RECOVERY 1
 static int rh_init(struct region_hash *rh, struct mirror_set *ms,
@@ -173,8 +163,8 @@ static int rh_init(struct region_hash *rh, struct mirror_set *ms,
         INIT_LIST_HEAD(&rh->quiesced_regions);
         INIT_LIST_HEAD(&rh->recovered_regions);
 
-        rh->region_pool = mempool_create(MIN_REGIONS, region_alloc,
-                                         region_free, NULL);
+        rh->region_pool = mempool_create_kmalloc_pool(MIN_REGIONS,
+                                                      sizeof(struct region));
         if (!rh->region_pool) {
                 vfree(rh->buckets);
                 rh->buckets = NULL;