Messages in this thread Patch in this message | | | From | Yehan Xu <> | Subject | [PATCH] locking/rwsem: Remove an unused parameter of rwsem_wake() | Date | Tue, 6 Jul 2021 12:50:43 +0800 |
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From: xuyehan <xuyehan@xiaomi.com>
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> --- kernel/locking/rwsem.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index 16bfbb1..8a595b6 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -1165,7 +1165,7 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state) * 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); } /* -- 2.7.4
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