From: Li Guanglei <guangleix.li@gmail.com>
To: peterz@infradead.org, qais.yousef@arm.com
Cc: dietmar.eggemann@arm.com, rostedt@goodmis.org,
bsegall@google.com, mgorman@suse.de,
linux-kernel@vger.kernel.org, guangleix.li@gmail.com,
guanglei.li@unisoc.com
Subject: [PATCH v2] sched/core: Fix size of rq::uclamp initialization
Date: Fri, 17 Jan 2020 11:06:52 +0800 [thread overview]
Message-ID: <1579230412-10476-1-git-send-email-guangleix.li@gmail.com> (raw)
From: Li Guanglei <guanglei.li@unisoc.com>
rq::uclamp_rq 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
---
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 44123b4..05f870b 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;
}
--
2.7.4
reply other threads:[~2020-01-17 3:08 UTC|newest]
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