SLUB: It is legit to allocate a slab of the maximum permitted size

Sorry I screwed up the comparison. It is only an error if we attempt
to allocate a slab larger than the maximum allowed size.
Signed-off-by: NChristoph Lameter <clameter@sgi.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/linux/slub_def.h

@@ -88,7 +88,7 @@ static inline int kmalloc_index(int size)
 	 */
 	WARN_ON_ONCE(size == 0);
 
-	if (size >= (1 << KMALLOC_SHIFT_HIGH))
+	if (size > (1 << KMALLOC_SHIFT_HIGH))
 		return -1;
 
 	if (size > 64 && size <= 96)