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-rw-r--r--mm/kasan/kasan.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 82a23b23ff93..ea51b2d898ec 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -12,10 +12,18 @@
#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */
#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */
+#ifdef CONFIG_KASAN_GENERIC
#define KASAN_FREE_PAGE 0xFF /* page was freed */
#define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */
#define KASAN_KMALLOC_REDZONE 0xFC /* redzone inside slub object */
#define KASAN_KMALLOC_FREE 0xFB /* object was freed (kmem_cache_free/kfree) */
+#else
+#define KASAN_FREE_PAGE KASAN_TAG_INVALID
+#define KASAN_PAGE_REDZONE KASAN_TAG_INVALID
+#define KASAN_KMALLOC_REDZONE KASAN_TAG_INVALID
+#define KASAN_KMALLOC_FREE KASAN_TAG_INVALID
+#endif
+
#define KASAN_GLOBAL_REDZONE 0xFA /* redzone for global variable */
/*