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@gma... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 bfe756dee129e..c60265a0d0c97 100644 --- 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; }