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| author |   xuyehan <xuyehan@xiaomi.com> | 2021-07-06 12:50:43 +0800 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2021-07-16 18:46:44 +0200 |
| commit | d4e5076c3522658996dbb050aa6c708bd2c1a3c1 (patch) | |
| tree | 981ede0ef9409be230e373d6c9dff2e49d6de920 /kernel/locking | |
| parent | Documentation/atomic_t: Document cmpxchg() vs try_cmpxchg() (diff) | |
| download | linux-dev-d4e5076c3522658996dbb050aa6c708bd2c1a3c1.tar.xz linux-dev-d4e5076c3522658996dbb050aa6c708bd2c1a3c1.zip | |
locking/rwsem: Remove an unused parameter of rwsem_wake()
The 2nd parameter 'count' is not used in this function.
The places where the function is called are also modified.
Signed-off-by: xuyehan <xuyehan@xiaomi.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Waiman Long <longman@redhat.com>
Link: https://lore.kernel.org/r/1625547043-28103-1-git-send-email-yehanxu1@gmail.com
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/rwsem.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index 809b0016d344..2cad15df296f 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -1165,7 +1165,7 @@ out_nolock: * handle waking up a waiter on the semaphore * - up_read/up_write has decremented the active part of count if we come here */ -static struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem, long count) +static struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) { unsigned long flags; DEFINE_WAKE_Q(wake_q); @@ -1297,7 +1297,7 @@ static inline void __up_read(struct rw_semaphore *sem) if (unlikely((tmp & (RWSEM_LOCK_MASK|RWSEM_FLAG_WAITERS)) == RWSEM_FLAG_WAITERS)) { clear_nonspinnable(sem); - rwsem_wake(sem, tmp); + rwsem_wake(sem); } } @@ -1319,7 +1319,7 @@ static inline void __up_write(struct rw_semaphore *sem) rwsem_clear_owner(sem); tmp = atomic_long_fetch_add_release(-RWSEM_WRITER_LOCKED, &sem->count); if (unlikely(tmp & RWSEM_FLAG_WAITERS)) - rwsem_wake(sem, tmp); + rwsem_wake(sem); } /* |