1 files changed, 4 insertions, 1 deletions

diff --git a/mm/slab.c b/mm/slab.c
index d30423f167a2..22bfb0b2ac8b 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2419,6 +2419,7 @@ retry:
                         next = slab_bufctl(slabp)[slabp->free];
 #if DEBUG
                         slab_bufctl(slabp)[slabp->free] = BUFCTL_FREE;
+                        WARN_ON(numa_node_id() != slabp->nodeid);
 #endif
                         slabp->free = next;
                 }
@@ -2633,8 +2634,10 @@ static void free_block(kmem_cache_t *cachep, void **objpp, int nr_objects, int n
                 check_spinlock_acquired_node(cachep, node);
                 check_slabp(cachep, slabp);
 
-
 #if DEBUG
+                /* Verify that the slab belongs to the intended node */
+                WARN_ON(slabp->nodeid != node);
+
                 if (slab_bufctl(slabp)[objnr] != BUFCTL_FREE) {
                         printk(KERN_ERR "slab: double free detected in cache "
                                         "'%s', objp %p\n", cachep->name, objp);