mm: no need to cast vmalloc() return value in zone_wait_table_init()

vmalloc() returns a void pointer, so there's no need to cast its
return value in mm/page_alloc.c::zone_wait_table_init().

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 1a8c59571cb7303515c7b616f9572c4706ccebb6..71013e6bef253117e5ac410b69d7124d288dbaf2 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2444,7 +2444,7 @@ int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages)
                 * To use this new node's memory, further consideration will be
                 * necessary.
                 */
-               zone->wait_table = (wait_queue_head_t *)vmalloc(alloc_size);
+               zone->wait_table = vmalloc(alloc_size);
        }
        if (!zone->wait_table)
                return -ENOMEM;