[PATCH]mempool.c : clean up type-casting twice

["Figo.zhang" <figo1802@gmail.com>]

clean up type-casting twice

Signed-off-by: Figo.zhang <figo1802@gmail.com>
---   
mm/mempool.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/mempool.c b/mm/mempool.c
index a46eb1b..0aec628 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -303,7 +303,7 @@ EXPORT_SYMBOL(mempool_free_slab);
  */
 void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data)
 {
-	size_t size = (size_t)(long)pool_data;
+	size_t size = (size_t)pool_data;
 	return kmalloc(size, gfp_mask);
 }
 EXPORT_SYMBOL(mempool_kmalloc);
@@ -327,14 +327,14 @@ EXPORT_SYMBOL(mempool_kfree);
  */
 void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data)
 {
-	int order = (int)(long)pool_data;
+	int order = (int)pool_data;
 	return alloc_pages(gfp_mask, order);
 }
 EXPORT_SYMBOL(mempool_alloc_pages);
 
 void mempool_free_pages(void *element, void *pool_data)
 {
-	int order = (int)(long)pool_data;
+	int order = (int)pool_data;
 	__free_pages(element, order);
 }
 EXPORT_SYMBOL(mempool_free_pages);