Re: [PATCH] compaction: fix COMPACTPAGEFAILED counting

[Christoph Lameter]

On Tue, 24 Aug 2010, Minchan Kim wrote:

> On Mon, Aug 23, 2010 at 11:41:49AM -0500, Christoph Lameter wrote:
> > On Tue, 24 Aug 2010, Minchan Kim wrote
> >
> > > This patch introude new argument 'cleanup' to migrate_pages.
> > > Only if we set 1 to 'cleanup', migrate_page will clean up the lists.
> > > Otherwise, caller need to clean up the lists so it has a chance to postprocess
> > > the pages.
> >
> > Could we simply make migrate_pages simply not do any cleanup?
> > Caller has to call putback_lru_pages()?
> >
> Hmm. maybe I misunderstood your point.
> Your point is that let's make whole caller of migrate_pagse has a responsibility
> of clean up the list?

Yes. All callers would be responsible for cleanup.


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