linux-kernel - Re: [PATCH 2/3] vmscan: make mapped executable pages the first class citizen

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Message-Id: <1242720351.20986.0.camel@penberg-laptop>
Date:	Tue, 19 May 2009 11:05:51 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Elladan <elladan@...imo.com>, Nick Piggin <npiggin@...e.de>,
	Johannes Weiner <hannes@...xchg.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"minchan.kim@...il.com" <minchan.kim@...il.com>
Subject: Re: [PATCH 2/3] vmscan: make mapped executable pages the first
 class  citizen

Hi Peter,

On Tue, 2009-05-19 at 09:44 +0200, Peter Zijlstra wrote:
> Its a sekrit conspiracy against bloat by making JIT'd crap run
> slower :-)
> 
> <rant>
> Anyway, I just checked, we install tons of mono junk for _2_
> applications, f-spot and tomboy, both are shite and both have
> alternatives not requiring this disease.
> </rant>

:-)

On Tue, 2009-05-19 at 09:44 +0200, Peter Zijlstra wrote:
> But seriously, like Kosaka-san already said, anonymous pages are treated
> differently from file pages and should not suffer the same problems.

OK, thanks for the explanation. The comment is a little bit misleading
because I got the impression that we don't care about anon exec pages.

			Pekka

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