From: "H. Peter Anvin" <hpa@zytor.com>
To: "Randy.Dunlap" <rddunlap@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Reserving physical memory at boot time
Date: Wed, 05 Mar 2003 07:48:38 -0800 [thread overview]
Message-ID: <3E661C56.5090503@zytor.com> (raw)
In-Reply-To: <20030305074327.673e2432.rddunlap@osdl.org>
Randy.Dunlap wrote:
> |
> | Unfortunately last time I commented on this the response was roughly
> | "well, the patch already made it into Linus' kernel, it's too late to
> | fix it now." That isn't exactly a very helpful response.
>
> I don't see why it's too late. How can it be too late?
> Ah, because it's already made it into 2.4?
>
More because people don't want to fix their mistakes, I suspect :(
I don't know who originally started adding stuff to "mem=", but I still
feel it needs to be backed out and renamed.
> | The mem= parameter has the semantic in the i386/PC boot protocol that
> | it specifies the top address of the usable memory region that begins
> | at 0x100000. It's a bit of a wart that the boot loaders have to be
> | aware of this, but it's so and it's been so for a very long time.
>
> So it's the top of the 0x100000-mem physical linear memory region
> (i.e., no gaps)?
Correct.
next prev parent reply other threads:[~2003-03-05 15:39 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-03 12:03 Reserving physical memory at boot time Duncan Sands
2002-12-03 21:11 ` Richard B. Johnson
2002-12-03 12:52 ` Duncan Sands
2002-12-03 22:14 ` Alan Cox
2002-12-03 21:58 ` Alan Cox
2002-12-03 22:18 ` bzeeb-lists
2002-12-04 13:25 ` Richard B. Johnson
[not found] ` <Pine.LNX.3.95.1021204082313.23777A-100000@chaos.analogic.c om>
2002-12-04 16:44 ` Mike Galbraith
2002-12-04 6:15 ` Duncan Sands
2002-12-05 5:44 ` Mike Galbraith
2002-12-04 17:01 ` Richard B. Johnson
2002-12-04 17:06 ` Randy.Dunlap
2003-03-05 5:44 ` H. Peter Anvin
2003-03-05 6:01 ` Randy.Dunlap
2003-03-05 15:04 ` H. Peter Anvin
2003-03-05 15:43 ` Randy.Dunlap
2003-03-05 15:48 ` H. Peter Anvin [this message]
2003-03-06 21:26 ` Pavel Machek
2003-03-06 23:24 ` H. Peter Anvin
2003-03-07 23:19 ` Pavel Machek
2003-03-09 21:08 ` H. Peter Anvin
2003-03-09 23:07 ` Randy.Dunlap
2002-12-03 23:23 ` James Stevenson
2002-12-04 3:53 ` Randy.Dunlap
-- strict thread matches above, loose matches on Subject: below --
2002-12-05 8:13 Suparna Bhattacharya
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