diff mbox series

[5.4,250/344] sched/core: Fix size of rq::uclamp initialization

Message ID 20200221072412.189178126@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Feb. 21, 2020, 7:40 a.m. UTC 
From: Li Guanglei <guanglei.li@unisoc.com>

[ Upstream commit dcd6dffb0a75741471297724640733fa4e958d72 ]

rq::uclamp is an array of struct uclamp_rq, make sure we clear the
whole thing.

Fixes: 69842cba9ace ("sched/uclamp: Add CPU's clamp buckets refcountinga")
Signed-off-by: Li Guanglei <guanglei.li@unisoc.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Qais Yousef <qais.yousef@arm.com>
Link: https://lkml.kernel.org/r/1577259844-12677-1-git-send-email-guangleix.li@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/sched/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index dfaefb175ba05..e6c65725b7ce0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1252,7 +1252,8 @@  static void __init init_uclamp(void)
 	mutex_init(&uclamp_mutex);
 
 	for_each_possible_cpu(cpu) {
-		memset(&cpu_rq(cpu)->uclamp, 0, sizeof(struct uclamp_rq));
+		memset(&cpu_rq(cpu)->uclamp, 0,
+				sizeof(struct uclamp_rq)*UCLAMP_CNT);
 		cpu_rq(cpu)->uclamp_flags = 0;
 	}