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locking/rwsem: Remove an unused parameter of rwsem_wake()

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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
This commit is contained in:
xuyehan 2021-07-06 12:50:43 +08:00 committed by Peter Zijlstra
parent d1bbfd0c7c
commit d4e5076c35
1 changed files with 3 additions and 3 deletions
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6
kernel/locking/rwsem.c
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@ -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);
}
/*