From: "Stephen C. Tweedie" <sct@redhat.com>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
Matthew Dillon <dillon@apollo.backplane.com>,
Rik van Riel <riel@conectiva.com.br>,
linux-mm@kvack.org
Subject: Re: [RFC] 2.3/4 VM queues idea
Date: Fri, 26 May 2000 17:40:18 +0100 [thread overview]
Message-ID: <20000526174018.Q10082@redhat.com> (raw)
In-Reply-To: <20000526183640.A21731@pcep-jamie.cern.ch>; from lk@tantalophile.demon.co.uk on Fri, May 26, 2000 at 06:36:40PM +0200
Hi,
On Fri, May 26, 2000 at 06:36:40PM +0200, Jamie Lokier wrote:
> That's ok. VA == vma->pgoff + page_offset. Move a vma and that's still
> true. The ptes are found by looking at the list of all vmas referring
> to all the address_spaces that refer to a page.
And that is _exactly_ the problem --- especially with heavy mprotect()
use, processes can have enormous numbers of vmas. Electric fence and
distributed shared memory/persistent object stores are the two big,
obvious cases here.
--Stephen
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/
next prev parent reply other threads:[~2000-05-26 16:40 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-24 16:16 [RFC] 2.3/4 VM queues idea Matthew Dillon
2000-05-24 18:51 ` Rik van Riel
2000-05-24 20:57 ` Matthew Dillon
2000-05-24 22:44 ` Rik van Riel
2000-05-25 9:52 ` Jamie Lokier
2000-05-25 16:18 ` Matthew Dillon
2000-05-25 16:50 ` Jamie Lokier
2000-05-25 17:17 ` Rik van Riel
2000-05-25 17:53 ` Matthew Dillon
2000-05-26 11:38 ` Jamie Lokier
2000-05-26 11:08 ` Stephen C. Tweedie
2000-05-26 11:22 ` Jamie Lokier
2000-05-26 13:15 ` Stephen C. Tweedie
2000-05-26 14:31 ` Jamie Lokier
2000-05-26 14:38 ` Stephen C. Tweedie
2000-05-26 15:59 ` Matthew Dillon
2000-05-26 16:36 ` Jamie Lokier
2000-05-26 16:40 ` Stephen C. Tweedie [this message]
2000-05-26 16:55 ` Matthew Dillon
2000-05-26 17:05 ` Jamie Lokier
2000-05-26 17:35 ` Matthew Dillon
2000-05-26 17:46 ` Stephen C. Tweedie
2000-05-26 17:02 ` Jamie Lokier
2000-05-26 17:15 ` Stephen C. Tweedie
2000-05-26 20:41 ` Jamie Lokier
2000-05-28 22:42 ` Stephen Tweedie
2000-05-26 15:45 ` Matthew Dillon
2000-05-26 12:04 ` Rik van Riel
-- strict thread matches above, loose matches on Subject: below --
2000-05-24 19:37 Mark_H_Johnson
2000-05-24 20:35 ` Matthew Dillon
2000-05-24 15:11 Rik van Riel
2000-05-24 22:44 ` Juan J. Quintela
2000-05-24 23:32 ` Rik van Riel
2000-05-26 11:11 ` Stephen C. Tweedie
2000-05-26 11:49 ` Rik van Riel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20000526174018.Q10082@redhat.com \
--to=sct@redhat.com \
--cc=dillon@apollo.backplane.com \
--cc=linux-mm@kvack.org \
--cc=lk@tantalophile.demon.co.uk \
--cc=riel@conectiva.com.br \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.