Re: [PATCH 3/4] cpuset: Fix unchecked calls to NODEMASK_ALLOC()

[Li Zefan]

> +/*
> + * Calling cpuset_static_nodemask() should be paired with this function,
> + * so we insure the global nodemask won't be used by more than one user
> + * at the one time.
> + */
> +static void cpuset_release_static_nodemask(void)
> +{
> +	WARN_ON(!cgroup_lock_is_held());
> +
> +	cpuset_mems_ref--;
> +	WARN_ON(!cpuset_mems_ref);

WARN_ON(cpuset_mems_ref);

> +}
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