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Remove the nr_exclusive argument from __wake_up_sync_key()

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Remove the nr_exclusive argument from __wake_up_sync_key() and derived
functions as everything seems to set it to 1.  Note also that if it wasn't
set to 1, it would clear WF_SYNC anyway.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
This commit is contained in:
David Howells 2019-10-16 15:13:41 +01:00
parent d055b4fb4d
commit ce4dd4429b
3 changed files with 9 additions and 15 deletions
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2
kernel/exit.c
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@ -1435,7 +1435,7 @@ static int child_wait_callback(wait_queue_entry_t *wait, unsigned mode,
void __wake_up_parent(struct task_struct *p, struct task_struct *parent)
{
__wake_up_sync_key(&parent->signal->wait_chldexit,
TASK_INTERRUPTIBLE, 1, p);
TASK_INTERRUPTIBLE, p);
}
static long do_wait(struct wait_opts *wo)