From: Con Kolivas <kernel@kolivas.org>
To: Haoqiang Zheng <haoqiang@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] swap-sched: schedule with dynamic dependency detection (2.6.12-rc3)
Date: Mon, 9 May 2005 09:26:55 +1000 [thread overview]
Message-ID: <200505090926.59335.kernel@kolivas.org> (raw)
In-Reply-To: <d6e6e6dd05050808556d83feb7@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 706 bytes --]
On Mon, 9 May 2005 01:55, Haoqiang Zheng wrote:
> I am not quite sure about what do you mean for " a ring of dependent
> tasks". Do you mean the situation that A depends on B while at the
> same time B depends on A? It shouldn't happen since in swap-sched,
> the dependency is generated on the fly. Task A depends on B only when
> A blocks on waiting for B. For example, if task A blocks on
> "read(pipe_fd,...)" and B is the task that can do
> "write(pipe_fd,...)", then A is depending on B. Once A is waked up,
> A no longer depends on any other task. So the "ring of dependent
> tasks" shouldn't happen, otherwise it's a deadlock.
Ok so how does it respond to process_load in contest?
Cheers,
Con
[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]
next prev parent reply other threads:[~2005-05-08 23:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-08 6:11 [RFC PATCH] swap-sched: schedule with dynamic dependency detection (2.6.12-rc3) Haoqiang Zheng
2005-05-08 7:33 ` Con Kolivas
2005-05-08 15:55 ` Haoqiang Zheng
2005-05-08 23:26 ` Con Kolivas [this message]
2005-05-09 3:56 ` Haoqiang Zheng
2005-05-09 5:57 ` Con Kolivas
2005-05-11 4:23 ` Haoqiang Zheng
2005-05-08 7:46 ` Lee Revell
2005-05-10 8:22 ` Coywolf Qi Hunt
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=200505090926.59335.kernel@kolivas.org \
--to=kernel@kolivas.org \
--cc=haoqiang@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox