linux-kernel - Re: 2.6.18-rc3-mm2 early

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Message-Id: <200608070406.45359.ak@suse.de>
Date:	Mon, 7 Aug 2006 04:06:45 +0200
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	Hugh Dickins <hugh@...itas.com>, rusty@...tcorp.com.au,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc3-mm2 early_param mem= fix

On Sunday 06 August 2006 21:15, Andrew Morton wrote:
> On Sun, 6 Aug 2006 18:22:04 +0100 (BST)
> Hugh Dickins <hugh@...itas.com> wrote:
> 
> > I was impressed by how fast 2.6.18-rc3-mm2 is under memory pressure,
> > until I noticed that my "mem=512M" boot option was doing nothing.  The
> > two fixes below got it working, but I wonder how many other early_param
> > "option=" args are wrong (e.g. "memmap=" in the same file): x86_64
> > shows many such, i386 shows only one, I've not followed it up further.
> 
> Thanks again.
> 
> Andi, it sounds like so many fixes will be needed there that it's worth
> dropping, pending rev #2.

Yes, it looks like it. Now I remember why I dropped this a long time
ago already ;-)

After fixing Hugh's issue with all parameters
(there were some more with this) the kernel goes into an endless loop
at boot when you have one which is a full prefix of another.

-Andi
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