Re: [RFC PATCH 0/2] Removal of lumpy reclaim

[Rik van Riel]

On 04/09/2012 03:18 PM, Hugh Dickins wrote:
> On Mon, 9 Apr 2012, Rik van Riel wrote:

> > I could see NOMMU being unable to use compaction, but
>
> Yes, COMPACTION depends on MMU.
>
> > chances are lumpy reclaim would be sufficient for that
> > configuration, anyway...
>
> That's an argument for your patch in 3.4-rc, which uses lumpy only
> when !COMPACTION_BUILD.  But here we're worrying about Mel's patch,
> which removes the lumpy code completely.

Sorry, that was a typo in my mail.

I wanted to say that I expect lumpy reclaim to NOT be
sufficient for NOMMU anyway, because it cannot reclaim
lumps of memory large enough to fit a new process.

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