From a13812683f1118ee4deed88d8d9bc2c268358b2e Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Wed, 30 Jul 2014 15:07:13 +0800 Subject: [PATCH] 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 Tested-by: Mike Qiu Signed-off-by: Li Zefan --- kernel/cpuset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cpuset.c b/kernel/cpuset.c index f337f42a07ac..9d7264beb74f 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -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); -- 2.30.2