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

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Message-ID: <20070307093518.GB8424@elte.hu>
Date:	Wed, 7 Mar 2007 10:35:18 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Bill Irwin <bill.irwin@...cle.com>, 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)


* Bill Irwin <bill.irwin@...cle.com> wrote:

> * 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.

ok, cool! Then the first step would be for you to talk to Paolo and to 
pick up the patches, review them, nurse it in -mm, etc. Suffering in 
silence is just a pointless act of masochism, not an efficient 
upstream-merge tactic ;-)

	Ingo
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