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 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.