diff options
| -rw-r--r-- | arch/s390/mm/pgalloc.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index 0f68b7257e08..66ab68db9842 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -133,13 +133,7 @@ err_p4d: static inline unsigned int atomic_xor_bits(atomic_t *v, unsigned int bits) { - unsigned int old, new; - - do { - old = atomic_read(v); - new = old ^ bits; - } while (atomic_cmpxchg(v, old, new) != old); - return new; + return atomic_fetch_xor(bits, v) ^ bits; } #ifdef CONFIG_PGSTE |