linux-kernel - Re: [PATCH 0/2] Make the Unevictable LRU available on NOMMU

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Date:	Fri, 20 Mar 2009 14:30:15 -0400
From:	Lee Schermerhorn <Lee.Schermerhorn@...com>
To:	David Howells <dhowells@...hat.com>
Cc:	Minchan Kim <minchan.kim@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kosaki.motohiro@...fujitsu.com, torvalds@...ux-foundation.org,
	peterz@...radead.org, nrik.Berkhan@...com, uclinux-dev@...inux.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	hannes@...xchg.org, riel@...riel.com
Subject: Re: [PATCH 0/2] Make the Unevictable LRU available on NOMMU

On Fri, 2009-03-20 at 16:24 +0000, David Howells wrote:
> Lee Schermerhorn <Lee.Schermerhorn@...com> wrote:
> 
> > I just want to point out [again :)] that removing the ramfs pages from
> > the lru will prevent them from being migrated
> 
> This is less of an issue for NOMMU kernels, since you can't migrate pages that
> are mapped.


Agreed.  So, you could eliminate them [ramfs pages] from the lru for
just the nommu kernels, if you wanted to go that route.

Lee

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