Commit a1381268 authored by Li Zefan's avatar Li Zefan Committed by Tejun Heo
Browse files

cpuset: fix the WARN_ON() in update_nodemasks_hier() 



The WARN_ON() is used to check if we break the legal hierarchy, on
which the effective mems should be equal to configured mems.

Reported-by: default avatarMike Qiu <qiudayu@linux.vnet.ibm.com>
Tested-by: default avatarMike Qiu <qiudayu@linux.vnet.ibm.com>
Signed-off-by: default avatarLi Zefan <lizefan@huawei.com>
parent 5de4fa13

kernel/cpuset.c

+1 −1
Original line number Diff line number Diff line
@@ -1136,7 +1136,7 @@ static void update_nodemasks_hier(struct cpuset *cs, nodemask_t *new_mems) 
		mutex_unlock(&callback_mutex);



		WARN_ON(!cgroup_on_dfl(cp->css.cgroup) &&

			nodes_equal(cp->mems_allowed, cp->effective_mems));

			!nodes_equal(cp->mems_allowed, cp->effective_mems));



		update_tasks_nodemask(cp);