Add schedule_timeout_killable

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>

kernel/timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index a05817c..66d7d8b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1100,6 +1100,13 @@
 }
 EXPORT_SYMBOL(schedule_timeout_interruptible);
 
+signed long __sched schedule_timeout_killable(signed long timeout)
+{
+	__set_current_state(TASK_KILLABLE);
+	return schedule_timeout(timeout);
+}
+EXPORT_SYMBOL(schedule_timeout_killable);
+
 signed long __sched schedule_timeout_uninterruptible(signed long timeout)
 {
 	__set_current_state(TASK_UNINTERRUPTIBLE);