From b9441eb86ea8cad49884c17abc902057a8d82b66 Mon Sep 17 00:00:00 2001 From: Li Guanglei Date: Wed, 25 Dec 2019 15:44:04 +0800 Subject: [PATCH] sched/core: Fix size of rq::uclamp initialization rq::uclamp is an array of struct uclamp_rq, make sure we clear the whole thing. Change-Id: Ia4531240ed132de30e4af333bc3c6b78143a501c Fixes: 69842cba9ace ("sched/uclamp: Add CPU's clamp buckets refcountinga") Signed-off-by: Li Guanglei Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Qais Yousef Link: https://lkml.kernel.org/r/1577259844-12677-1-git-send-email-guangleix.li@gmail.com Git-commit: dcd6dffb0a75741471297724640733fa4e958d72 Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git Signed-off-by: Pavankumar Kondeti --- kernel/sched/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f68625ec8cf8..ee6998bef8a6 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1266,7 +1266,8 @@ 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; }