From: Roman Zippel <zippel@linux-m68k.org>
To: Daniel Phillips <phillips@bonn-fries.net>
Cc: Andrea Arcangeli <andrea@suse.de>,
Ralf Baechle <ralf@uni-koblenz.de>,
Russell King <rmk@arm.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: discontiguous memory platforms
Date: Thu, 02 May 2002 21:40:48 +0200 [thread overview]
Message-ID: <3CD19640.3B85BF76@linux-m68k.org> (raw)
In-Reply-To: <Pine.LNX.4.21.0205021539460.23113-100000@serv> <E172yOR-00026G-00@starship> <3CD184BB.ED7F349F@linux-m68k.org> <E173LNK-00027F-00@starship>
Daniel Phillips wrote:
> Patching the kernel how, and where?
Check for example in asm-ppc/page.h the __va/__pa functions.
> > Anyway, I agree with Andrea, that another mapping isn't really needed.
> > Clever use of the mmu should give you almost the same result.
>
> We *are* making clever use of the mmu in config_nonlinear, it is doing the
> nonlinear kernel virtual mapping for us. Did you have something more clever
> in mind?
I mean to map the memory where you need it. The physical<->virtual
mapping won't be one to one, but you won't need another abstraction and
the current vm is already basically able to handle it.
bye, Roman
next prev parent reply other threads:[~2002-05-02 19:41 UTC|newest]
Thread overview: 152+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-26 18:27 Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?] Russell King
2002-04-26 22:46 ` Andrea Arcangeli
2002-04-29 17:50 ` Martin J. Bligh
2002-04-29 22:00 ` Roman Zippel
2002-04-30 0:43 ` Andrea Arcangeli
2002-04-27 22:10 ` Daniel Phillips
2002-04-29 13:35 ` Andrea Arcangeli
2002-04-29 23:02 ` Daniel Phillips
2002-05-01 2:23 ` Andrea Arcangeli
2002-04-30 23:12 ` Daniel Phillips
2002-05-01 1:05 ` Daniel Phillips
2002-05-02 0:47 ` Andrea Arcangeli
2002-05-01 1:26 ` Daniel Phillips
2002-05-02 1:43 ` Andrea Arcangeli
2002-05-01 2:41 ` Daniel Phillips
2002-05-02 13:34 ` Andrea Arcangeli
2002-05-02 15:18 ` Martin J. Bligh
2002-05-02 15:35 ` Andrea Arcangeli
2002-05-01 15:42 ` Daniel Phillips
2002-05-02 16:06 ` Andrea Arcangeli
2002-05-02 16:10 ` Martin J. Bligh
2002-05-02 16:40 ` Andrea Arcangeli
2002-05-02 17:16 ` William Lee Irwin III
2002-05-02 18:41 ` Andrea Arcangeli
2002-05-02 19:19 ` William Lee Irwin III
2002-05-02 19:27 ` Daniel Phillips
2002-05-02 19:38 ` William Lee Irwin III
2002-05-02 19:58 ` Daniel Phillips
2002-05-03 6:28 ` Andrea Arcangeli
2002-05-03 6:10 ` Andrea Arcangeli
2002-05-02 22:20 ` Martin J. Bligh
2002-05-02 21:28 ` William Lee Irwin III
2002-05-02 21:52 ` Kurt Ferreira
2002-05-02 21:55 ` William Lee Irwin III
2002-05-03 6:38 ` Andrea Arcangeli
2002-05-03 6:58 ` Martin J. Bligh
2002-05-03 6:04 ` Andrea Arcangeli
2002-05-03 6:33 ` Martin J. Bligh
2002-05-03 8:38 ` Andrea Arcangeli
2002-05-03 9:26 ` William Lee Irwin III
2002-05-03 15:38 ` Martin J. Bligh
2002-05-03 15:17 ` Virtual address space exhaustion (was Discontigmem virt_to_page() ) Martin J. Bligh
2002-05-03 15:58 ` Andrea Arcangeli
2002-05-03 16:10 ` Martin J. Bligh
2002-05-03 16:25 ` Andrea Arcangeli
2002-05-03 16:02 ` Daniel Phillips
2002-05-03 16:20 ` Andrea Arcangeli
2002-05-03 16:41 ` Daniel Phillips
2002-05-03 16:58 ` Andrea Arcangeli
2002-05-03 18:08 ` Daniel Phillips
2002-05-03 9:24 ` Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?] William Lee Irwin III
2002-05-03 10:30 ` Andrea Arcangeli
2002-05-03 11:09 ` William Lee Irwin III
2002-05-03 11:27 ` Andrea Arcangeli
2002-05-03 15:42 ` Martin J. Bligh
2002-05-03 15:32 ` Martin J. Bligh
2002-05-02 19:22 ` Daniel Phillips
2002-05-03 6:06 ` Andrea Arcangeli
2002-05-02 18:25 ` Daniel Phillips
2002-05-02 18:44 ` Andrea Arcangeli
2002-05-02 19:31 ` Martin J. Bligh
2002-05-02 18:57 ` Andrea Arcangeli
2002-05-02 19:08 ` Daniel Phillips
2002-05-03 5:15 ` Andrea Arcangeli
2002-05-05 23:54 ` Daniel Phillips
2002-05-06 0:28 ` Andrea Arcangeli
2002-05-06 0:34 ` Daniel Phillips
2002-05-06 1:01 ` Andrea Arcangeli
2002-05-06 0:55 ` Russell King
2002-05-06 1:07 ` Daniel Phillips
2002-05-06 1:20 ` Andrea Arcangeli
2002-05-06 1:24 ` Daniel Phillips
2002-05-06 1:42 ` Andrea Arcangeli
2002-05-06 1:48 ` Daniel Phillips
2002-05-06 2:06 ` Andrea Arcangeli
2002-05-06 17:40 ` Daniel Phillips
2002-05-06 19:09 ` Martin J. Bligh
2002-05-06 1:09 ` Andrea Arcangeli
2002-05-06 1:13 ` Daniel Phillips
2002-05-06 2:03 ` Daniel Phillips
2002-05-06 2:31 ` Andrea Arcangeli
2002-05-06 8:57 ` Russell King
2002-05-06 8:54 ` Roman Zippel
2002-05-06 15:26 ` Daniel Phillips
2002-05-06 19:07 ` Roman Zippel
2002-05-08 15:57 ` Daniel Phillips
2002-05-08 23:11 ` Roman Zippel
2002-05-09 16:08 ` Daniel Phillips
2002-05-09 22:06 ` Roman Zippel
2002-05-09 22:22 ` Daniel Phillips
2002-05-09 23:00 ` Roman Zippel
2002-05-09 23:22 ` Daniel Phillips
2002-05-10 0:13 ` Roman Zippel
2002-05-02 22:39 ` Martin J. Bligh
2002-05-03 7:04 ` Andrea Arcangeli
2002-05-02 23:42 ` Daniel Phillips
2002-05-03 7:45 ` Andrea Arcangeli
2002-05-02 16:07 ` Martin J. Bligh
2002-05-02 16:58 ` Gerrit Huizenga
2002-05-02 18:10 ` Andrea Arcangeli
2002-05-02 19:28 ` Gerrit Huizenga
2002-05-02 22:23 ` Martin J. Bligh
2002-05-03 6:20 ` Andrea Arcangeli
2002-05-03 6:39 ` Martin J. Bligh
2002-05-02 16:00 ` William Lee Irwin III
2002-05-02 2:37 ` William Lee Irwin III
2002-05-02 15:59 ` Andrea Arcangeli
2002-05-02 16:06 ` William Lee Irwin III
2002-05-01 18:05 ` Jesse Barnes
2002-05-01 23:17 ` Andrea Arcangeli
2002-05-01 23:23 ` discontiguous memory platforms Jesse Barnes
2002-05-02 0:51 ` Ralf Baechle
2002-05-02 1:27 ` Andrea Arcangeli
2002-05-02 1:32 ` Ralf Baechle
2002-05-02 8:50 ` Roman Zippel
2002-05-01 13:21 ` Daniel Phillips
2002-05-02 14:00 ` Roman Zippel
2002-05-01 14:08 ` Daniel Phillips
2002-05-02 17:56 ` Roman Zippel
2002-05-01 17:59 ` Daniel Phillips
2002-05-02 18:26 ` Roman Zippel
2002-05-02 18:32 ` Daniel Phillips
2002-05-02 19:40 ` Roman Zippel [this message]
2002-05-02 20:14 ` Daniel Phillips
2002-05-03 6:34 ` Andrea Arcangeli
2002-05-03 9:33 ` Roman Zippel
2002-05-03 6:30 ` Andrea Arcangeli
2002-05-02 18:35 ` Geert Uytterhoeven
2002-05-02 18:39 ` Daniel Phillips
2002-05-02 0:20 ` Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?] Anton Blanchard
2002-05-01 1:35 ` Daniel Phillips
2002-05-02 1:45 ` William Lee Irwin III
2002-05-01 2:02 ` Daniel Phillips
2002-05-02 2:33 ` William Lee Irwin III
2002-05-01 2:44 ` Daniel Phillips
2002-05-02 1:46 ` Andrea Arcangeli
2002-05-01 1:56 ` Daniel Phillips
2002-05-02 1:01 ` Andrea Arcangeli
2002-05-02 15:28 ` Anton Blanchard
2002-05-01 16:10 ` Daniel Phillips
2002-05-02 15:59 ` Dave Engebretsen
2002-05-01 17:24 ` Daniel Phillips
2002-05-02 16:44 ` Dave Engebretsen
2002-05-02 16:31 ` William Lee Irwin III
2002-05-02 16:21 ` Dave Engebretsen
2002-05-02 17:28 ` William Lee Irwin III
2002-05-02 23:05 ` Daniel Phillips
2002-05-03 0:05 ` William Lee Irwin III
2002-05-03 1:19 ` Daniel Phillips
2002-05-03 19:47 ` Dave Engebretsen
2002-05-03 22:06 ` Daniel Phillips
2002-05-03 23:52 ` David Mosberger
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