diff options
Diffstat (limited to 'kernel/sched/wait.c')
| -rw-r--r-- | kernel/sched/wait.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index 76577d1642a5..9860bb9a847c 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -4,7 +4,6 @@ * * (C) 2004 Nadia Yvette Chambers, Oracle */ -#include "sched.h" void __init_waitqueue_head(struct wait_queue_head *wq_head, const char *name, struct lock_class_key *key) { @@ -238,6 +237,13 @@ void __wake_up_sync(struct wait_queue_head *wq_head, unsigned int mode) } EXPORT_SYMBOL_GPL(__wake_up_sync); /* For internal use only */ +void __wake_up_pollfree(struct wait_queue_head *wq_head) +{ + __wake_up(wq_head, TASK_NORMAL, 0, poll_to_key(EPOLLHUP | POLLFREE)); + /* POLLFREE must have cleared the queue. */ + WARN_ON_ONCE(waitqueue_active(wq_head)); +} + /* * Note: we use "set_current_state()" _after_ the wait-queue add, * because we need a memory barrier there on SMP, so that any |