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-rw-r--r--mm/slab.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/slab.c b/mm/slab.c
index d30423f167a..22bfb0b2ac8 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);