mm: fix refcounting in swapon

[pandora-kernel.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index c7ef007..e15aa7f 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3797,7 +3797,7 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
                }
        }
 
-       down_read(&slub_lock);
+       lock_memory_hotplug();
 #ifdef CONFIG_SLUB_DEBUG
        if (flags & SO_ALL) {
                for_each_node_state(node, N_NORMAL_MEMORY) {
@@ -3838,7 +3838,7 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
                        x += sprintf(buf + x, " N%d=%lu",
                                        node, nodes[node]);
 #endif
-       up_read(&slub_lock);
+       unlock_memory_hotplug();
        kfree(nodes);
        return x + sprintf(buf + x, "\n");
 }