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-rw-r--r--include/linux/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index dcc6e644..c594ff8b 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -344,6 +344,7 @@ void atomic64_sub(s64, atomic64_t *);
s64 atomic64_xchg(atomic64_t *, s64);
s64 atomic64_cmpxchg(atomic64_t *, s64, s64);
+bool atomic64_try_cmpxchg(atomic64_t *, s64 *, s64);
#define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
#define atomic64_inc(v) atomic64_add(1LL, (v))