Signed-off-by: Alok N Kataria <alokk@calsoftinc.com>

Index: linux-2.6.13/mm/slab.c
===================================================================
--- linux-2.6.13.orig/mm/slab.c	2005-09-13 20:56:33.040284000 +0530
+++ linux-2.6.13/mm/slab.c	2005-09-20 13:22:08.328464250 +0530
@@ -3273,7 +3273,7 @@
 	list_for_each(walk, &cache_chain) {
 		kmem_cache_t *searchp;
 		struct list_head* p;
-		int tofree;
+		int tofree, nodeid;
 		struct slab *slabp;
 
 		searchp = list_entry(walk, kmem_cache_t, next);
@@ -3283,13 +3283,19 @@
 
 		check_irq_on();
 
-		l3 = searchp->nodelists[numa_node_id()];
+		nodeid = numa_node_id();
+		l3 = searchp->nodelists[nodeid];
 		if (l3->alien)
 			drain_alien_cache(searchp, l3);
-		spin_lock_irq(&l3->list_lock);
+
+		local_irq_disable();
+		nodeid = numa_node_id();
+                l3 = searchp->nodelists[nodeid];
+
+		spin_lock(&l3->list_lock);
 
 		drain_array_locked(searchp, ac_data(searchp), 0,
-				numa_node_id());
+				nodeid);
 
 		if (time_after(l3->next_reap, jiffies))
 			goto next_unlock;
@@ -3298,7 +3304,7 @@
 
 		if (l3->shared)
 			drain_array_locked(searchp, l3->shared, 0,
-				numa_node_id());
+				nodeid);
 
 		if (l3->free_touched) {
 			l3->free_touched = 0;
@@ -3327,7 +3333,8 @@
 			spin_lock_irq(&l3->list_lock);
 		} while(--tofree > 0);
 next_unlock:
-		spin_unlock_irq(&l3->list_lock);
+		spin_unlock(&l3->list_lock);
+		local_irq_enable();
 next:
 		cond_resched();
 	}