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authorxuyehan <xuyehan@xiaomi.com>2021-07-06 12:50:43 +0800
committerPeter Zijlstra <peterz@infradead.org>2021-07-16 18:46:44 +0200
commitd4e5076c3522658996dbb050aa6c708bd2c1a3c1 (patch)
tree981ede0ef9409be230e373d6c9dff2e49d6de920 /kernel/locking/rwsem.c
parentd1bbfd0c7c9f985e57795a7e0cefc209ebf689c0 (diff)
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/rwsem.c')
-rw-r--r--kernel/locking/rwsem.c6
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);
}
/*