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-rw-r--r--include/asm-ia64/atomic.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-ia64/atomic.h b/include/asm-ia64/atomic.h
index 874a6f890e75..593d3da9f3c2 100644
--- a/include/asm-ia64/atomic.h
+++ b/include/asm-ia64/atomic.h
@@ -88,6 +88,8 @@ ia64_atomic64_sub (__s64 i, atomic64_t *v)
return new;
}
+#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+
#define atomic_add_return(i,v) \
({ \
int __ia64_aar_i = (i); \