From: Rik van Riel <riel@redhat.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrea Arcangeli <andrea@suse.de>,
Hugh Dickins <hugh@veritas.com>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@osdl.org>, <linux-kernel@vger.kernel.org>
Subject: Re: anon_vma RFC2
Date: Sat, 13 Mar 2004 09:43:28 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44.0403130942200.15971-100000@chimarrao.boston.redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0403120812430.1045@ppc970.osdl.org>
On Fri, 12 Mar 2004, Linus Torvalds wrote:
> So let's make it clear: if we have an object-based reverse mapping, it
> should cover all reasonable cases, and in particular, it should NOT have
> rare fallbacks to code that thus never gets any real testing.
Absolutely agreed. And with Rajesh's code it should be possible
to get object-based rmap right, not vulnerable to the scalability
issues demonstrated by Ingo's test programs.
Whether we go with mm-based or vma-based, I don't particularly
care either. As long as the code is nice...
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan
next prev parent reply other threads:[~2004-03-13 14:43 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-08 20:24 objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Andrea Arcangeli
2004-03-08 20:39 ` Linus Torvalds
2004-03-08 21:23 ` Andrew Morton
2004-03-08 23:02 ` Andrea Arcangeli
2004-03-08 23:21 ` Andrew Morton
2004-03-08 23:40 ` Andrea Arcangeli
2004-03-09 0:10 ` Andrew Morton
2004-03-09 0:35 ` Andrea Arcangeli
2004-03-09 0:59 ` Andrew Morton
2004-03-09 8:31 ` Ingo Molnar
2004-03-09 8:44 ` William Lee Irwin III
2004-03-09 9:03 ` Ingo Molnar
2004-03-09 14:51 ` Andrea Arcangeli
2004-03-09 15:09 ` Ingo Molnar
2004-03-09 15:24 ` Andrea Arcangeli
2004-03-09 16:10 ` Ingo Molnar
2004-03-09 16:35 ` Andrea Arcangeli
2004-03-08 21:02 ` Andrew Morton
2004-03-08 22:34 ` Andrea Arcangeli
2004-03-09 2:46 ` Andrew Morton
2004-03-08 21:28 ` Arjan van de Ven
2004-03-08 23:08 ` Andrea Arcangeli
2004-03-09 7:47 ` Ingo Molnar
2004-03-09 15:21 ` Andrea Arcangeli
2004-03-09 15:36 ` Ingo Molnar
2004-03-09 16:33 ` Andrea Arcangeli
2004-03-09 17:23 ` Martin J. Bligh
2004-03-09 19:57 ` Ingo Molnar
2004-03-09 20:27 ` Andrea Arcangeli
2004-03-10 11:35 ` Ingo Molnar
2004-03-10 12:32 ` Andrea Arcangeli
2004-03-09 10:52 ` [lockup] " Ingo Molnar
2004-03-09 11:02 ` Ingo Molnar
2004-03-09 11:09 ` Andrew Morton
2004-03-09 11:49 ` Ingo Molnar
2004-03-09 12:32 ` William Lee Irwin III
2004-03-09 16:03 ` Andrea Arcangeli
2004-03-10 10:36 ` RFC anon_vma previous (i.e. full objrmap) Andrea Arcangeli
2004-03-10 10:40 ` RFC anon_vma preview " Andrea Arcangeli
2004-03-10 10:54 ` RFC anon_vma previous " Ingo Molnar
2004-03-11 6:52 ` anon_vma RFC2 Andrea Arcangeli
2004-03-11 13:23 ` Hugh Dickins
2004-03-11 13:56 ` Andrea Arcangeli
2004-03-11 21:54 ` Hugh Dickins
2004-03-12 1:47 ` Andrea Arcangeli
2004-03-12 2:20 ` Andrea Arcangeli
2004-03-12 3:28 ` Rik van Riel
2004-03-12 12:21 ` Andrea Arcangeli
2004-03-12 12:40 ` Rik van Riel
2004-03-12 13:11 ` Andrea Arcangeli
2004-03-12 16:25 ` Rik van Riel
2004-03-12 17:13 ` Andrea Arcangeli
2004-03-12 17:23 ` Rik van Riel
2004-03-12 17:44 ` Andrea Arcangeli
2004-03-12 18:18 ` Rik van Riel
2004-03-12 18:25 ` Linus Torvalds
2004-03-12 18:48 ` Rik van Riel
2004-03-12 19:02 ` Chris Friesen
2004-03-12 19:06 ` Rik van Riel
2004-03-12 19:10 ` Chris Friesen
2004-03-12 19:14 ` Rik van Riel
2004-03-12 20:27 ` Andrea Arcangeli
2004-03-12 20:32 ` Rik van Riel
2004-03-12 20:49 ` Andrea Arcangeli
2004-03-12 21:08 ` Jamie Lokier
2004-03-12 12:42 ` Andrea Arcangeli
2004-03-12 12:46 ` William Lee Irwin III
2004-03-12 13:24 ` Andrea Arcangeli
2004-03-12 13:40 ` William Lee Irwin III
2004-03-12 13:55 ` Hugh Dickins
2004-03-12 16:01 ` Andrea Arcangeli
2004-03-12 16:17 ` Linus Torvalds
2004-03-13 0:28 ` William Lee Irwin III
2004-03-13 14:43 ` Rik van Riel [this message]
2004-03-13 16:18 ` Linus Torvalds
2004-03-13 17:24 ` Hugh Dickins
2004-03-13 17:28 ` Rik van Riel
2004-03-13 17:41 ` Hugh Dickins
2004-03-13 18:08 ` Andrea Arcangeli
2004-03-13 17:54 ` Andrea Arcangeli
2004-03-13 17:55 ` Andrea Arcangeli
2004-03-13 18:57 ` Linus Torvalds
2004-03-13 19:14 ` Hugh Dickins
2004-03-13 17:48 ` Andrea Arcangeli
2004-03-13 17:33 ` Andrea Arcangeli
2004-03-13 17:53 ` Hugh Dickins
2004-03-13 18:13 ` Andrea Arcangeli
2004-03-13 19:35 ` Hugh Dickins
2004-03-13 17:57 ` Rik van Riel
2004-03-12 13:43 ` Hugh Dickins
2004-03-12 15:56 ` Andrea Arcangeli
2004-03-12 16:12 ` Hugh Dickins
2004-03-12 16:39 ` Andrea Arcangeli
2004-03-11 17:33 ` Andrea Arcangeli
2004-03-11 22:20 ` Rik van Riel
2004-03-11 23:43 ` Hugh Dickins
2004-03-12 3:20 ` Rik van Riel
2004-03-09 17:22 ` [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Rik van Riel
2004-03-09 17:56 ` Andrea Arcangeli
2004-03-09 15:59 ` Andrea Arcangeli
2004-03-09 16:07 ` Ingo Molnar
2004-03-09 16:08 ` Ingo Molnar
2004-03-09 16:39 ` Andrea Arcangeli
2004-03-09 19:33 ` Ingo Molnar
2004-03-09 16:39 ` Andrea Arcangeli
2004-03-09 15:41 ` Andrea Arcangeli
2004-03-15 19:47 ` Marcelo Tosatti
2004-03-15 22:00 ` Andrea Arcangeli
2004-03-16 7:39 ` Marcelo Tosatti
2004-03-16 13:50 ` Andrea Arcangeli
2004-03-11 20:09 anon_vma RFC2 Manfred Spraul
[not found] <20040310080000.GA30940@dualathlon.random>
2004-03-10 13:01 ` [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Rik van Riel
2004-03-10 13:50 ` Andrea Arcangeli
2004-03-12 17:05 ` anon_vma RFC2 Rajesh Venkatasubramanian
2004-03-12 17:26 ` Andrea Arcangeli
2004-03-12 21:16 ` Rajesh Venkatasubramanian
2004-03-13 17:55 ` Rajesh Venkatasubramanian
2004-03-13 18:16 ` Andrea Arcangeli
2004-03-13 19:40 ` Rajesh Venkatasubramanian
2004-03-14 0:23 ` Andrea Arcangeli
2004-03-14 0:52 ` Linus Torvalds
2004-03-14 1:01 ` William Lee Irwin III
2004-03-14 1:07 ` Rik van Riel
2004-03-14 1:19 ` William Lee Irwin III
2004-03-14 1:41 ` Rik van Riel
2004-03-14 2:27 ` William Lee Irwin III
2004-03-14 1:15 ` Linus Torvalds
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=Pine.LNX.4.44.0403130942200.15971-100000@chimarrao.boston.redhat.com \
--to=riel@redhat.com \
--cc=akpm@osdl.org \
--cc=andrea@suse.de \
--cc=hugh@veritas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=torvalds@osdl.org \
--cc=wli@holomorphy.com \
/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.