From: Andrew Morton <akpm@linux-foundation.org>

Smaller-n-better.

Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/slub.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff -puN mm/slub.c~slub-support-slub_debug-on-by-default-tidy mm/slub.c
--- a/mm/slub.c~slub-support-slub_debug-on-by-default-tidy
+++ a/mm/slub.c
@@ -917,20 +917,20 @@ static int __init setup_slub_debug(char 
 	 * Determine which debug features should be switched on
 	 */
 	for ( ;*str && *str != ','; str++) {
-		switch (*str) {
-		case 'f' : case 'F' :
+		switch (tolower(*str)) {
+		case 'f':
 			slub_debug |= SLAB_DEBUG_FREE;
 			break;
-		case 'z' : case 'Z' :
+		case 'z':
 			slub_debug |= SLAB_RED_ZONE;
 			break;
-		case 'p' : case 'P' :
+		case 'p':
 			slub_debug |= SLAB_POISON;
 			break;
-		case 'u' : case 'U' :
+		case 'u':
 			slub_debug |= SLAB_STORE_USER;
 			break;
-		case 't' : case 'T' :
+		case 't':
 			slub_debug |= SLAB_TRACE;
 			break;
 		default:
_