sched/core: Fix size of rq::uclamp initialization

[ 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>

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 894fb81313fd1115a0f6051090e9dacd8f3b07d6..b2564d62a0f74e8b1df83a22b6413b4c157d96ae 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1253,7 +1253,8 @@ 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;
        }