!1673 sched: disable sched_autogroup by default

Merge Pull Request from: @ci-robot 
 
PR sync from: Jialin Zhang <zhangjialin11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/VXPVUTJU24XAU3PNMQNE65P6FVTS2FDS/ 
 
https://gitee.com/openeuler/kernel/issues/I65DOZ 
 
Link:https://gitee.com/openeuler/kernel/pulls/1673 

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com> 
Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com> 
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> 

kernel/sched/autogroup.c

@@ -5,7 +5,7 @@
 #include <linux/nospec.h>
 #include "sched.h"
 
-unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
+unsigned int __read_mostly sysctl_sched_autogroup_enabled;
 static struct autogroup autogroup_default;
 static atomic_t autogroup_seq_nr;