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From: Nicolas Pitre <nico@cam.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
	Jamie Lokier <lk@tantalophile.demon.co.uk>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: /proc/<n>/maps getting _VERY_ long
Date: Fri, 10 Aug 2001 19:03:33 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.33.0108101902380.25254-100000@xanadu.home> (raw)
In-Reply-To: <3B745990.7040808@zytor.com>



On Fri, 10 Aug 2001, H. Peter Anvin wrote:

> Linus Torvalds wrote:
> >
> > These days, the vma's just have too much information, and the
> > page tables
> > can't be counted on to have enough bits.
> >
>
> Note that it isn't very hard to deal with *that* problem, *if you want
> to*... you just need to maintain a shadow data structure in the same
> format as the page tables and stuff your software bits in there.

This technique is already used on ARM.


Nicolas


  reply	other threads:[~2001-08-10 23:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-04 15:43 /proc/<n>/maps getting _VERY_ long Chris Wedgwood
2001-08-05  2:17 ` Rik van Riel
2001-08-05  5:12   ` Chris Wedgwood
2001-08-05 13:06     ` Alan Cox
2001-08-05 13:18       ` Chris Wedgwood
2001-08-05 23:07       ` Jakob Østergaard
2001-08-05 23:41       ` Linus Torvalds
2001-08-06  0:41         ` Michael H. Warfield
2001-08-06  1:01           ` Linus Torvalds
2001-08-06  1:17             ` H. Peter Anvin
2001-08-06  4:26               ` Linus Torvalds
2001-08-06  6:30                 ` H. Peter Anvin
2001-08-06 18:41                 ` Jamie Lokier
2001-08-10 21:55                   ` Linus Torvalds
2001-08-10 22:00                     ` H. Peter Anvin
2001-08-10 23:03                       ` Nicolas Pitre [this message]
2001-08-10 23:26                       ` Linus Torvalds
2001-08-10 23:55                         ` Rik van Riel
2001-08-11  1:04                     ` Pavel Machek
2001-08-06 11:52               ` Alan Cox
2001-08-06 12:23                 ` Chris Wedgwood
2001-08-06 13:17                   ` Alan Cox
2001-08-06 13:55                     ` Chris Wedgwood
2001-08-06  9:43         ` [LONGish] Brief analysis of VMAs (was: /proc/<n>/maps getting _VERY_ long) Chris Wedgwood
2001-08-05  6:44 /proc/<n>/maps getting _VERY_ long David Luyer
2001-08-05  7:21 ` Anders Eriksson

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