linux-kernel - Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

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Message-ID: <20070307093208.GK18774@holomorphy.com>
Date:	Wed, 7 Mar 2007 01:32:08 -0800
From:	Bill Irwin <bill.irwin@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Nick Piggin <npiggin@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management <linux-mm@...ck.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)

* Nick Piggin <npiggin@...e.de> wrote:
>> After these patches, I don't think there is too much burden. The main 
>> thing left really is just the objrmap stuff, but that is just handled 
>> with a minimal 'dumb' algorithm that doesn't cost much.

On Wed, Mar 07, 2007 at 10:22:52AM +0100, Ingo Molnar wrote:
> ok. What do you think about the sys_remap_file_pages_prot() thing that 
> Paolo has done in a nicely split up form - does that complicate things 
> in any fundamental way? That is what is useful to UML.

Oracle would love it. You don't want to know how far back I've been
asked to backport that.


-- wli
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