linux-kernel - Re: [PATCH for review] [7/48] i386: divorce CONFIG_X86_PAE from CONFIG

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Message-Id: <200707191906.49854.ak@suse.de>
Date:	Thu, 19 Jul 2007 19:06:49 +0200
From:	Andi Kleen <ak@...e.de>
To:	Dave Jones <davej@...hat.com>
Cc:	wli@...omorphy.com, lkml@....ca, linux-kernel@...r.kernel.org
Subject: Re: [PATCH for review] [7/48] i386: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64G

On Thursday 19 July 2007 16:46:31 Dave Jones wrote:
> On Thu, Jul 19, 2007 at 03:48:36PM +0200, Andi Kleen wrote:

I didn't. If you guys really want to have a thread to criticize the changelog
(which seems quite bogus, after all we're interested in code here, 
not changelogs) then please at least get your attributions right.

Regarding highmem instability: there are still known ways to drive
systems with larger highmem ratios to early OOM or deadlock, although they
are relatively obscure.

-Andi

>  
>  > Some users may want NX
>  > or expanded swapspace support without the overhead or instability of
>  > highmem. 
> 
> NX is still going to need the larger PTEs, so I don't see how this
> change removes any 'overhead' or potential 'instability'.
> I'm not necessarily disagreeing with the change, but this part
> of the changelog seems to be false advertising.
> 
> 	Dave
> 


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