1 files changed, 1 insertions, 2 deletions

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6d6d28c0a72f..99eb5048b7a8 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2047,13 +2047,12 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
                 goto bad_swap;
 
         /* OK, set up the swap map and apply the bad block list */
-        swap_map = vmalloc(maxpages);
+        swap_map = vzalloc(maxpages);
         if (!swap_map) {
                 error = -ENOMEM;
                 goto bad_swap;
         }
 
-        memset(swap_map, 0, maxpages);
         nr_good_pages = maxpages - 1;   /* omit header page */
 
         for (i = 0; i < swap_header->info.nr_badpages; i++) {