On 2013/8/21 22:08, Tejun Heo wrote:
> On Wed, Aug 21, 2013 at 06:00:42PM +0800, Li Zefan wrote:
>> @@ -2261,7 +2271,8 @@ static void cpuset_hotplug_workfn(struct work_struct
>> *work)
>> /* synchronize mems_allowed to N_MEMORY */
>> if (mems_updated) {
>> mutex_lock(&callback_mutex);
>> - top_cpuset.mems_allowed = new_mems;
>> + if (!sane)
>> + top_cpuset.mems_allowed = new_mems;
>
> Can you please further explain how the top cgroup behaves?
>
top_cpuset.cpus_allowed will always be cpu_active_mask if sane_behavior
is not set, otherwise it will always be cpu_possible_mask. While
top_cpuset.effective_cpus will always be cpu_active_mask in either
case.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
