Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

[firefly-linux-kernel-4.4.55.git] / include / linux / slab.h

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 2037a861e3679910152a98ba98a667b395c6773c..4ef384b172e0e5f307edfd69abd5d100d339c913 100644 (file)
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -144,6 +144,18 @@ void kfree(const void *);
 void kzfree(const void *);
 size_t ksize(const void *);
 
+#ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR
+const char *__check_heap_object(const void *ptr, unsigned long n,
+                               struct page *page);
+#else
+static inline const char *__check_heap_object(const void *ptr,
+                                             unsigned long n,
+                                             struct page *page)
+{
+       return NULL;
+}
+#endif
+
 /*
  * Some archs want to perform DMA into kmalloc caches and need a guaranteed
  * alignment larger than the alignment of a 64-bit integer.