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-rw-r--r--include/asm-sparc/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index 37f6ab601c3d..52bdd1a895fa 100644
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -19,6 +19,7 @@ typedef struct { volatile int counter; } atomic_t;
#define ATOMIC_INIT(i) { (i) }
extern int __atomic_add_return(int, atomic_t *);
+extern int atomic_cmpxchg(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
#define atomic_read(v) ((v)->counter)