linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Nick Piggin <npiggin@suse.de>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Christoph Lameter <clameter@sgi.com>
Subject: Re: [rfc] SLQB: YASA
Date: Thu, 3 Apr 2008 10:13:38 +0200	[thread overview]
Message-ID: <20080403081338.GA18337@wotan.suse.de> (raw)
In-Reply-To: <20080403075725.GA7514@wotan.suse.de>

On Thu, Apr 03, 2008 at 09:57:25AM +0200, Nick Piggin wrote:
> On Thu, Apr 03, 2008 at 10:45:44AM +0300, Pekka Enberg wrote:
> > Hi Nick,
> > 
> > On Thu, Apr 3, 2008 at 10:25 AM, Nick Piggin <npiggin@suse.de> wrote:
> > >  I'm not quite sure what to do with this. If anybody could test or comment,
> > >  I guess that would be a good start :)
> > 
> > Why is this not a patch set against SLUB?
> 
> It's a completely different design of the core allocator algorithms
> really.
> 
> It probably looks quite similar because I started with slub.c, but
> really is just the peripheral supporting code and structure. I'm never
> intending to try to go through the pain of incrementally changing SLUB
> into SLQB. If SLQB is found to be a good idea, then it could maybe get
> merged.

And also I guess I don't think Christoph would be very happy about
it :) He loves higher order allocations :)

The high level choices are pretty clear and I simply think there might
be a better way to do it. I'm not saying it *is* better because I simply
don't know, and there are areas where the tradeoffs I've made means that
in some situations SLQB cannot match SLUB.

  reply	other threads:[~2008-04-03  8:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-03  7:25 Nick Piggin
2008-04-03  7:45 ` Pekka Enberg
2008-04-03  7:57   ` Nick Piggin
2008-04-03  8:13     ` Nick Piggin [this message]
2008-04-03  8:24       ` Pekka Enberg
2008-04-03  8:32         ` Nick Piggin
2008-04-03  8:17     ` KOSAKI Motohiro
2008-04-03  8:26       ` Nick Piggin
2008-04-03  8:33         ` KOSAKI Motohiro
2008-04-03  8:41         ` Andi Kleen
2008-04-03 14:23 ` Nick Piggin
2008-04-03 19:04   ` Luiz Fernando N. Capitulino
2008-04-03 19:12 ` Christoph Lameter
2008-04-08 11:57   ` Nick Piggin
2008-04-08 18:51     ` Luiz Fernando N. Capitulino
2008-04-09  2:10       ` Nick Piggin

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=20080403081338.GA18337@wotan.suse.de \
    --to=npiggin@suse.de \
    --cc=clameter@sgi.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=penberg@cs.helsinki.fi \
    /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