From: William Lee Irwin III <wli@holomorphy.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Anton Ertl <anton@mips.complang.tuwien.ac.at>,
linux-kernel@vger.kernel.org
Subject: Re: Page Colouring (was: 2.6.0 Huge pages not working as expected)
Date: Sun, 28 Dec 2003 08:39:52 -0800 [thread overview]
Message-ID: <20031228163952.GQ22443@holomorphy.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0312272046400.2274@home.osdl.org>
On Sat, 27 Dec 2003, Eric W. Biederman wrote:
>> For anyone taking you up on this I'd like to suggest two possible
>> directions.
>> 1) Increasing PAGE_SIZE in the kernel.
On Sat, Dec 27, 2003 at 08:53:30PM -0800, Linus Torvalds wrote:
> Yes. This is something I actually want to do anyway for 2.7.x. Dan
> Phillips had some patches for this six months ago.
> You have to be careful, since you have to be able to mmap "partial pages",
> which is what makes it less than trivial, but there are tons of reasons to
> want to do this, and cache coloring is actually very much a secondary
> concern.
I've not seen Dan Phillips' code for this. I've been hacking on
something doing this since late last December.
-- wli
next prev parent reply other threads:[~2003-12-28 16:40 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <179fV-1iK-23@gated-at.bofh.it>
[not found] ` <179IS-1VD-13@gated-at.bofh.it>
2003-12-27 20:21 ` Page Colouring (was: 2.6.0 Huge pages not working as expected) Anton Ertl
2003-12-27 20:56 ` Linus Torvalds
2003-12-27 23:31 ` Eric W. Biederman
2003-12-27 23:50 ` William Lee Irwin III
2003-12-28 1:09 ` David S. Miller
2003-12-28 4:53 ` Linus Torvalds
2003-12-28 16:39 ` William Lee Irwin III [this message]
2003-12-29 0:36 ` Mike Fedyk
2003-12-29 2:55 ` William Lee Irwin III
2003-12-29 4:09 ` Linus Torvalds
2003-12-29 6:52 ` William Lee Irwin III
2003-12-29 9:14 ` Linus Torvalds
2003-12-29 9:22 ` William Lee Irwin III
2003-12-29 9:33 ` Linus Torvalds
2003-12-29 10:23 ` William Lee Irwin III
2003-12-29 10:59 ` Mike Fedyk
2003-12-29 11:14 ` William Lee Irwin III
2003-12-30 2:00 ` Rusty Russell
2003-12-30 4:59 ` William Lee Irwin III
[not found] ` <20031229084304.GA31630@elte.hu>
2003-12-29 12:09 ` Ingo Molnar
2003-12-29 12:49 ` William Lee Irwin III
2003-12-29 20:02 ` Subpages (was: Page Colouring) Daniel Phillips
2003-12-29 20:15 ` Linus Torvalds
2003-12-29 21:11 ` Page Colouring (was: 2.6.0 Huge pages not working as expected) Eric W. Biederman
2003-12-29 21:35 ` Linus Torvalds
[not found] ` <17tHK-3K6-21@gated-at.bofh.it>
2003-12-28 17:17 ` Anton Ertl
[not found] <176UD-6vl-3@gated-at.bofh.it>
2003-12-26 21:48 ` Anton Ertl
2003-12-26 23:28 ` Linus Torvalds
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