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SubjectRe: [PATCH 14/14] fs,xfs: Allow kswapd to writeback pages
On Fri, 2 Jul 2010 15:26:43 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> > I see the direction you are thinking of but I have big concerns about clean
> > pages getting delayed for too long on the LRU_CLEANING pages before kswapd
> > puts them back in the right place. I think a safer direction would be for
> > memcg people to investigate Andrea's "switch stack" suggestion.
> >
> Hmm, I may have to consider that. My concern is that IRQ's switch-stack works
> well just because no-task-switch in IRQ routine. (I'm sorry if I misunderstand.)
>
Ok, I'll think about this 1st.

Thanks,
-Kame



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