From: Chris Friesen <cfriesen@nortelnetworks.com>
To: Mike Waychison <Michael.Waychison@Sun.COM>
Cc: Linus Torvalds <torvalds@osdl.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Oleg Nesterov <oleg@tv-sign.ru>,
William Lee Irwin III <wli@holomorphy.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Make pipe data structure be a circular list of pages, rather than
Date: Fri, 07 Jan 2005 17:46:05 -0600 [thread overview]
Message-ID: <41DF1F3D.3030006@nortelnetworks.com> (raw)
In-Reply-To: <41DEF81B.60905@sun.com>
Mike Waychison wrote:
> This got me to thinking about how you can heuristically optimize away
> coalescing support and still allow PAGE_SIZE bytes minimum in the
> effective buffer.
While coalescing may be a win in some cases, there should also be some
way to tell the kernel to NOT coalesce, to handle the case where you
want minimum latency at the cost of some throughput.
Chris
next prev parent reply other threads:[~2005-01-07 23:49 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-07 14:30 Make pipe data structure be a circular list of pages, rather than Oleg Nesterov
2005-01-07 15:45 ` Alan Cox
2005-01-07 17:23 ` Linus Torvalds
2005-01-08 18:25 ` Hugh Dickins
2005-01-08 18:54 ` Linus Torvalds
2005-01-07 16:17 ` Linus Torvalds
2005-01-07 16:06 ` Alan Cox
2005-01-07 17:33 ` Linus Torvalds
2005-01-07 17:48 ` Linus Torvalds
2005-01-07 20:59 ` Mike Waychison
2005-01-07 23:46 ` Chris Friesen [this message]
2005-01-08 21:38 ` Lee Revell
2005-01-08 21:51 ` Linus Torvalds
2005-01-08 22:02 ` Lee Revell
2005-01-08 22:29 ` Davide Libenzi
2005-01-09 4:07 ` Linus Torvalds
2005-01-09 23:19 ` Davide Libenzi
2005-01-14 10:15 ` Peter Chubb
2005-01-07 21:59 ` Linus Torvalds
2005-01-07 22:53 ` Diego Calleja
2005-01-07 23:15 ` Linus Torvalds
2005-01-10 23:23 ` Robert White
2005-01-07 17:45 ` Chris Friesen
2005-01-07 16:39 ` Davide Libenzi
2005-01-07 17:09 ` Linus Torvalds
2005-08-18 6:07 ` Coywolf Qi Hunt
-- strict thread matches above, loose matches on Subject: below --
2005-01-20 2:14 Robert White
2005-01-16 2:59 Make pipe data structure be a circular list of pages, rather Linus Torvalds
2005-01-19 21:12 ` Make pipe data structure be a circular list of pages, rather than linux
2005-01-20 2:06 ` Robert White
[not found] <Pine.LNX.4.44.0501091946020.3620-100000@localhost.localdomain>
[not found] ` <Pine.LNX.4.58.0501091713300.2373@ppc970.osdl.org>
[not found] ` <Pine.LNX.4.58.0501091830120.2373@ppc970.osdl.org>
2005-01-12 19:50 ` Davide Libenzi
2005-01-12 20:10 ` Linus Torvalds
[not found] <200501070313.j073DCaQ009641@hera.kernel.org>
2005-01-07 3:41 ` William Lee Irwin III
2005-01-07 6:35 ` Linus Torvalds
2005-01-07 6:37 ` Linus Torvalds
2005-01-19 16:29 ` Larry McVoy
2005-01-19 17:14 ` Linus Torvalds
2005-01-19 19:01 ` Larry McVoy
2005-01-20 0:01 ` Linus Torvalds
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