[PATCH] vmsplice: restrict stealing a little more

[safe/jmp/linux-2.6] / include / asm-arm / atomic.h

diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index f72b633..3d7283d 100644 (file)
--- a/include/asm-arm/atomic.h
+++ b/include/asm-arm/atomic.h
@@ -175,6 +175,8 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
 
 #endif /* __LINUX_ARM_ARCH__ */
 
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
 static inline int atomic_add_unless(atomic_t *v, int a, int u)
 {
        int c, old;