From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@osdl.org>
Subject: Re: 2.6.18-rc3-mm2 early_param mem= fix
Date: Mon, 7 Aug 2006 04:06:45 +0200
User-Agent: KMail/1.9.3
Cc: Hugh Dickins <hugh@veritas.com>, rusty@rustcorp.com.au,
       linux-kernel@vger.kernel.org
References: <Pine.LNX.4.64.0608061811030.19637@blonde.wat.veritas.com> <20060806121530.eac1dd37.akpm@osdl.org>
In-Reply-To: <20060806121530.eac1dd37.akpm@osdl.org>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200608070406.45359.ak@suse.de>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1148
Lines: 28

On Sunday 06 August 2006 21:15, Andrew Morton wrote:
> On Sun, 6 Aug 2006 18:22:04 +0100 (BST)
> Hugh Dickins <hugh@veritas.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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/