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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: hpa@zytor.com (H. Peter Anvin)
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs/devfs/base.c
Date: Tue, 5 Jun 2001 07:56:37 +0100 (BST)	[thread overview]
Message-ID: <E157AlZ-0006Vi-00@the-village.bc.nu> (raw)
In-Reply-To: <9fht4j$cce$1@cesium.transmeta.com> from "H. Peter Anvin" at Jun 04, 2001 11:10:27 PM

> It's trivial to calculate for DAGs -- directed acyclic graphs.  It's
> when the "acyclic" constraint is violated that you have problems!

It may well be that interrupt stacks are a win anyway. If we can get the kernel
struct out of the stack pages (which would fix some very unpleasant cache
colour problems) and take the non irq stack down to 4K then irq stacks would
pay off once you had 25 or so processes on a system

  reply	other threads:[~2001-06-05  6:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-27 10:12 Akash Jain
2001-05-27 13:21 ` Richard Gooch
2001-05-28 14:43   ` Maximum size of automatic allocation? (was: [PATCH] fs/devfs/base.c) Daniel Phillips
2001-06-03 23:55   ` [PATCH] fs/devfs/base.c Linus Torvalds
2001-06-04  6:44     ` Alan Cox
2001-06-04 10:09       ` Linus Torvalds
2001-06-05  1:41       ` Dawson R Engler
2001-06-05  8:49       ` Ingo Molnar
2001-06-04  7:07     ` Richard Gooch
2001-06-04 19:26       ` Bill Pringlemeir
2001-06-04 19:39         ` Kernel Stack usage [was: [PATCH] fs/devfs/base.c] Bill Pringlemeir
2001-06-05  6:10         ` [PATCH] fs/devfs/base.c H. Peter Anvin
2001-06-05  6:56           ` Alan Cox [this message]
2001-06-05 11:37             ` Andrew Morton
2001-06-05 21:38             ` Pavel Machek
2001-06-04 20:15     ` Daniel Phillips
2001-06-05  4:24     ` Paul Mackerras
2001-06-04  0:03   ` Richard Gooch

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