Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  slub: avoid leaking caches or refcounts on sysfs error
  slab: Fix comment on #endif
  slab: remove GFP_THISNODE clearing from alloc_slabmgmt()
  slub: Add might_sleep_if() to slab_alloc()
  SLUB: failslab support
  slub: Fix incorrect use of loose
  slab: Update the kmem_cache_create documentation regarding the name parameter
  slub: make early_kmem_cache_node_alloc void
  slab: unsigned slabp->inuse cannot be less than 0
  slub - fix get_object_page comment
  SLUB: Replace __builtin_return_address(0) with _RET_IP_.
  SLUB: cleanup - define macros instead of hardcoded numbers

2 files changed, 14 insertions, 5 deletions

diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index 32368c4f0326..06ca9b21dad2 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -81,4 +81,13 @@ static inline void cleanup_fault_attr_dentries(struct fault_attr *attr)
 
 #endif /* CONFIG_FAULT_INJECTION */
 
+#ifdef CONFIG_FAILSLAB
+extern bool should_failslab(size_t size, gfp_t gfpflags);
+#else
+static inline bool should_failslab(size_t size, gfp_t gfpflags)
+{
+        return false;
+}
+#endif /* CONFIG_FAILSLAB */
+
 #endif /* _LINUX_FAULT_INJECT_H */
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 000da12b5cf0..f96d13c281e8 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -253,9 +253,9 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
  * request comes from.
  */
 #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB)
-extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
+extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
 #define kmalloc_track_caller(size, flags) \
-        __kmalloc_track_caller(size, flags, __builtin_return_address(0))
+        __kmalloc_track_caller(size, flags, _RET_IP_)
 #else
 #define kmalloc_track_caller(size, flags) \
         __kmalloc(size, flags)
@@ -271,10 +271,10 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
  * allocation request comes from.
  */
 #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB)
-extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
+extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
 #define kmalloc_node_track_caller(size, flags, node) \
         __kmalloc_node_track_caller(size, flags, node, \
-                        __builtin_return_address(0))
+                        _RET_IP_)
 #else
 #define kmalloc_node_track_caller(size, flags, node) \
         __kmalloc_node(size, flags, node)
@@ -285,7 +285,7 @@ extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
 #define kmalloc_node_track_caller(size, flags, node) \
         kmalloc_track_caller(size, flags)
 
-#endif /* DEBUG_SLAB */
+#endif /* CONFIG_NUMA */
 
 /*
  * Shortcuts