1 files changed, 3 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h
index 5c81d0eae5cf..bc755bc620ad 100644
--- a/arch/m68k/include/asm/cmpxchg.h
+++ b/arch/m68k/include/asm/cmpxchg.h
@@ -124,6 +124,9 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
 #define cmpxchg_local(ptr, o, n)                                            \
         ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),           \
                         (unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg64(ptr, o, n)    cmpxchg64_local((ptr), (o), (n))
+
 #else
 
 /*