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Subject[PATCH] locking/rwsem: Remove an unused parameter of rwsem_wake()
Date
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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