arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
#if defined(arch_atomic64_fetch_add_unless)
return arch_atomic64_fetch_add_unless(v, a, u);