---

yaml --- r: 54174 b: refs/heads/master c: 714b817 h: refs/heads/master v: v3
git-mirror · May 7, 2007 · 32ffd38 · 32ffd38
1 parent 102514d
commit 32ffd38
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5f22df00a009e3f86301366c0ecddb63ebd22af9
+refs/heads/master: 714b8171af9c930a59a0da8f6fe50518e70ab035
diff --git a/trunk/mm/slab.c b/trunk/mm/slab.c
@@ -2990,6 +2990,14 @@ static void *cache_alloc_refill(struct kmem_cache *cachep, gfp_t flags)
 		slabp = list_entry(entry, struct slab, list);
 		check_slabp(cachep, slabp);
 		check_spinlock_acquired(cachep);
+
+		/*
+		 * The slab was either on partial or free list so
+		 * there must be at least one object available for
+		 * allocation.
+		 */
+		BUG_ON(slabp->inuse < 0 || slabp->inuse >= cachep->num);
+
 		while (slabp->inuse < cachep->num && batchcount--) {
 			STATS_INC_ALLOCED(cachep);
 			STATS_INC_ACTIVE(cachep);