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SubjectRe: [PATCH 05/10] cpuset: don't update tasks' cpumask and nodemask in an empty cpuset
Hello,

On Sat, Apr 20, 2013 at 09:06:44AM +0800, Li Zefan wrote:
> I was trying to fix a bug: before moving tasks out of empty cpusets,
> update_tasks_nodemask() is called, which calls do_migrate_pages(xx, from, to)
> finally, from == node_to_be_offlined, to == empty_nodeamsk, so I guess
> no pages will be migrated.
>
> Then when those tasks are moving to an ancestor, do_migrate_pages(xx, from, to)
> is called again, from == empty_nodemask, to == ancestor's nodemask,
> so I guess again no pages will be migrated.

Oh, I see. I was a bit confused by the description. Maybe include
the above?

Thanks.

--
tejun


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