From 249b9f331ec162af5a1fdb80f90cce77c2043985 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 29 Oct 2008 17:18:07 -0400
Subject: slab: unsigned slabp->inuse cannot be less than 0

unsigned slabp->inuse cannot be less than 0

Acked-by: Christoph Lameter <cl@linux-foundation.org
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

diff --git a/mm/slab.c b/mm/slab.c
index a1478779..445bcc8 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2997,7 +2997,7 @@ retry:
 		 * there must be at least one object available for
 		 * allocation.
 		 */
-		BUG_ON(slabp->inuse < 0 || slabp->inuse >= cachep->num);
+		BUG_ON(slabp->inuse >= cachep->num);
 
 		while (slabp->inuse < cachep->num && batchcount--) {
 			STATS_INC_ALLOCED(cachep);
-- 
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