add missing printk loglevel in mm/swapfile.c

in mm/swapfile.c a printk() is missing a loglevel. I believe the proper
loglevel for this situation is KERN_ERR, so that's what the patch below
sets -if you agree, please apply.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6544565a7c0f..d8a5afc8b2a3 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1442,7 +1442,7 @@ asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
         else if (!memcmp("SWAPSPACE2",swap_header->magic.magic,10))
                 swap_header_version = 2;
         else {
-                printk("Unable to find swap-space signature\n");
+                printk(KERN_ERR "Unable to find swap-space signature\n");
                 error = -EINVAL;
                 goto bad_swap;
         }