[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, 4 insertions, 22 deletions

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 1d261f985f31..a04f60693c39 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -230,16 +230,6 @@ static int pkt_grow_pktlist(struct pktcdvd_device *pd, int nr_packets)
         return 1;
 }
 
-static void *pkt_rb_alloc(gfp_t gfp_mask, void *data)
-{
-        return kmalloc(sizeof(struct pkt_rb_node), gfp_mask);
-}
-
-static void pkt_rb_free(void *ptr, void *data)
-{
-        kfree(ptr);
-}
-
 static inline struct pkt_rb_node *pkt_rbtree_next(struct pkt_rb_node *node)
 {
         struct rb_node *n = rb_next(&node->rb_node);
@@ -2073,16 +2063,6 @@ static int pkt_close(struct inode *inode, struct file *file)
 }
 
 
-static void *psd_pool_alloc(gfp_t gfp_mask, void *data)
-{
-        return kmalloc(sizeof(struct packet_stacked_data), gfp_mask);
-}
-
-static void psd_pool_free(void *ptr, void *data)
-{
-        kfree(ptr);
-}
-
 static int pkt_end_io_read_cloned(struct bio *bio, unsigned int bytes_done, int err)
 {
         struct packet_stacked_data *psd = bio->bi_private;
@@ -2475,7 +2455,8 @@ static int pkt_setup_dev(struct pkt_ctrl_command *ctrl_cmd)
         if (!pd)
                 return ret;
 
-        pd->rb_pool = mempool_create(PKT_RB_POOL_SIZE, pkt_rb_alloc, pkt_rb_free, NULL);
+        pd->rb_pool = mempool_create_kmalloc_pool(PKT_RB_POOL_SIZE,
+                                                  sizeof(struct pkt_rb_node));
         if (!pd->rb_pool)
                 goto out_mem;
 
@@ -2639,7 +2620,8 @@ static int __init pkt_init(void)
 {
         int ret;
 
-        psd_pool = mempool_create(PSD_POOL_SIZE, psd_pool_alloc, psd_pool_free, NULL);
+        psd_pool = mempool_create_kmalloc_pool(PSD_POOL_SIZE,
+                                        sizeof(struct packet_stacked_data));
         if (!psd_pool)
                 return -ENOMEM;