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-rw-r--r--mm/kasan/common.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index f8e16a242197..50f4338b477f 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -30,6 +30,13 @@
#include "kasan.h"
#include "../slab.h"
+struct slab *kasan_addr_to_slab(const void *addr)
+{
+ if (virt_addr_valid(addr))
+ return virt_to_slab(addr);
+ return NULL;
+}
+
depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc)
{
unsigned long entries[KASAN_STACK_DEPTH];