Messages in this thread | | | Date | Sat, 20 Apr 2013 18:42:41 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 05/10] cpuset: don't update tasks' cpumask and nodemask in an empty cpuset |
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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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