Messages in this thread | | | Date | Mon, 20 Jul 2009 14:39:45 +0900 (JST) | From | KOSAKI Motohiro <> | Subject | Re: [PATCH 3/3] add isolate pages vmstat |
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> On Fri, 17 Jul 2009, KOSAKI Motohiro wrote: > > > > Why do a separate pass over all the migrates pages? Can you add the > > > _inc_xx somewhere after the page was isolated from the lru by calling > > > try_to_unmap()? > > > > calling try_to_unmap()? the pages are isolated before calling migrate_pages(). > > migrate_pages() have multiple caller. then I put this __inc_xx into top of > > migrate_pages(). > > Then put the inc_xxx's where the pages are isolated.
Is there any benefit? Why do we need sprinkle __inc_xx to many place?
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