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

[Hugh Dickins]

On Fri, 6 Apr 2012, Andrew Morton wrote:
> On Wed, 28 Mar 2012 17:06:21 +0100
> Mel Gorman <mgorman@xxxxxxx> wrote:
> 
> > (cc'ing active people in the thread "[patch 68/92] mm: forbid lumpy-reclaim
> > in shrink_active_list()")
> > 
> > In the interest of keeping my fingers from the flames at LSF/MM, I'm
> > releasing an RFC for lumpy reclaim removal.
> 
> I grabbed them, thanks.

I do have a concern with this: I was expecting lumpy reclaim to be
replaced by compaction, and indeed it is when CONFIG_COMPACTION=y.
But when CONFIG_COMPACTION is not set, we're back to 2.6.22 in
relying upon blind chance to provide order>0 pages.

Hugh
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