[PATCH v3 1/3] kasan: Archs don't check memmove if not support it.

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Skip the memmove checking for those archs who don't support it.

Signed-off-by: Nick Hu <nickhu@xxxxxxxxxxxxx>
---
 mm/kasan/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 6814d6d6a023..897f9520bab3 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -107,6 +107,7 @@ void *memset(void *addr, int c, size_t len)
 	return __memset(addr, c, len);
 }
 
+#ifdef __HAVE_ARCH_MEMMOVE
 #undef memmove
 void *memmove(void *dest, const void *src, size_t len)
 {
@@ -115,6 +116,7 @@ void *memmove(void *dest, const void *src, size_t len)
 
 	return __memmove(dest, src, len);
 }
+#endif
 
 #undef memcpy
 void *memcpy(void *dest, const void *src, size_t len)
-- 
2.17.0




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