Commit 8a1c1757 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] schedule_timeout_[un]interruptible() speedup

These functions don't need schedule_timeout()'s barrier.
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 498d0c57
No related merge requests found
......@@ -1151,19 +1151,22 @@ fastcall signed long __sched schedule_timeout(signed long timeout)
out:
return timeout < 0 ? 0 : timeout;
}
EXPORT_SYMBOL(schedule_timeout);
/*
* We can use __set_current_state() here because schedule_timeout() calls
* schedule() unconditionally.
*/
signed long __sched schedule_timeout_interruptible(signed long timeout)
{
set_current_state(TASK_INTERRUPTIBLE);
__set_current_state(TASK_INTERRUPTIBLE);
return schedule_timeout(timeout);
}
EXPORT_SYMBOL(schedule_timeout_interruptible);
signed long __sched schedule_timeout_uninterruptible(signed long timeout)
{
set_current_state(TASK_UNINTERRUPTIBLE);
__set_current_state(TASK_UNINTERRUPTIBLE);
return schedule_timeout(timeout);
}
EXPORT_SYMBOL(schedule_timeout_uninterruptible);
......
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