---
 mm/slub.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

Index: linux-2.6.21-rc6/mm/slub.c
===================================================================
--- linux-2.6.21-rc6.orig/mm/slub.c	2007-04-11 12:32:27.000000000 -0700
+++ linux-2.6.21-rc6/mm/slub.c	2007-04-11 12:38:40.000000000 -0700
@@ -1127,11 +1127,22 @@ static void flusher(struct work_struct *
 static void flush_all(struct kmem_cache *s)
 {
 	if (atomic_read(&s->cpu_slabs)) {
+		printk(KERN_ERR "flush_all: Flushing %s cpu_slabs=%d\n",
+			s->name, atomic_read(&s->cpu_slabs));
 		mutex_lock(&s->flushing);
 		cancel_delayed_work(&s->flush);
 		atomic_set(&s->cpu_slabs, 0);
 		on_each_cpu(flush_cpu_slab, s, 1, 1);
 		mutex_unlock(&s->flushing);
+	} else
+	{
+		int cpu;
+
+		for_each_online_cpu(cpu) {
+			if (s->cpu_slab[cpu])
+				printk(KERN_ERR "Flush all: %s but active slab on cpu %d\n",
+					s->name, cpu);
+		}
 	}
 }
 #else
@@ -1718,7 +1729,7 @@ static int kmem_cache_open(struct kmem_c
 		 * We fix the situation up later when sysfs is brought up
 		 * by flushing all slabs (which puts slabcaches that are used
 		 * only / mostly during boot in a nice quiet state).
-		 */.
+		 */
 		atomic_set(&s->cpu_slabs, 1);
 
 	INIT_DELAYED_WORK(&s->flush, flusher);