1 files changed, 7 insertions, 5 deletions

diff --git a/mm/slab.c b/mm/slab.c
index d4b87690b275..cb2e411d93a9 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2123,6 +2123,8 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep)
  *
  * @name must be valid until the cache is destroyed. This implies that
  * the module calling this has to destroy the cache before getting unloaded.
+ * Note that kmem_cache_name() is not guaranteed to return the same pointer,
+ * therefore applications must manage it themselves.
  *
  * The flags are
  *
@@ -2997,7 +2999,7 @@ retry:
                  * there must be at least one object available for
                  * allocation.
                  */
-                BUG_ON(slabp->inuse < 0 || slabp->inuse >= cachep->num);
+                BUG_ON(slabp->inuse >= cachep->num);
 
                 while (slabp->inuse < cachep->num && batchcount--) {
                         STATS_INC_ALLOCED(cachep);
@@ -3686,9 +3688,9 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
 EXPORT_SYMBOL(__kmalloc_node);
 
 void *__kmalloc_node_track_caller(size_t size, gfp_t flags,
-                int node, void *caller)
+                int node, unsigned long caller)
 {
-        return __do_kmalloc_node(size, flags, node, caller);
+        return __do_kmalloc_node(size, flags, node, (void *)caller);
 }
 EXPORT_SYMBOL(__kmalloc_node_track_caller);
 #else
@@ -3730,9 +3732,9 @@ void *__kmalloc(size_t size, gfp_t flags)
 }
 EXPORT_SYMBOL(__kmalloc);
 
-void *__kmalloc_track_caller(size_t size, gfp_t flags, void *caller)
+void *__kmalloc_track_caller(size_t size, gfp_t flags, unsigned long caller)
 {
-        return __do_kmalloc(size, flags, caller);
+        return __do_kmalloc(size, flags, (void *)caller);
 }
 EXPORT_SYMBOL(__kmalloc_track_caller);