linux-mips
[Top] [All Lists]

Re: mips32 kernel memory mapping

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: mips32 kernel memory mapping
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 23 Jul 2004 22:34:35 +0200 (MEST)
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>, Srinivas Kommu <kommu@hotmail.com>, Linux/MIPS Development <linux-mips@linux-mips.org>
In-reply-to: <20040723202439.GA3711@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <BAY1-F25sCR6nWqNG2Y00092cf9@hotmail.com> <Pine.LNX.4.58L.0407231348580.5644@blysk.ds.pg.gda.pl> <20040723202439.GA3711@linux-mips.org>
Sender: linux-mips-bounce@linux-mips.org
On Fri, 23 Jul 2004, Ralf Baechle wrote:
> There are still improvments to be made for BCM1250 support.  Somebody
> thought scattering the first 1GB of memory through the lowest 4GB of
> physical address space like a three year old his toys over the floor
> was a good thing ...  The resulting holes in the memory map are wasting
> significant amounts of memory for unused memory; the worst case number
> that is reached for 64-bit kernel on a system with > 1GB of RAM is 96MB!

Perhaps you want to start using virtually mapped zones, like m68k?

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                                            -- Linus Torvalds

<Prev in Thread] Current Thread [Next in Thread>