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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: Mike Qiu <qiudayu@linux.vnet.ibm.com>
Tested-by: Mike Qiu <qiudayu@linux.vnet.ibm.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Li Zefan 2014-07-30 15:07:13 +08:00 committed by Tejun Heo
parent 5de4fa13c4
commit a13812683f
1 changed files with 1 additions and 1 deletions
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2
kernel/cpuset.c
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@ -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);