[PATCH 2/2] freezer,sched: clean saved_state when restoring it during thaw

From: Elliot Berman
Date: Mon Nov 20 2023 - 12:37:21 EST


Clean saved_state after using it during thaw. Cleaning the saved_state
allows us to avoid some unnecessary branches in ttwu_state_match.

Signed-off-by: Elliot Berman <quic_eberman@xxxxxxxxxxx>
---
kernel/freezer.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/freezer.c b/kernel/freezer.c
index 759006a9a910..f57aaf96b829 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -187,6 +187,7 @@ static int __restore_freezer_state(struct task_struct *p, void *arg)

if (state != TASK_RUNNING) {
WRITE_ONCE(p->__state, state);
+ p->saved_state = TASK_RUNNING;
return 1;
}


--
2.41.0