From owner-freebsd-current  Sun Feb 24  0:58:35 2002
Delivered-To: freebsd-current@freebsd.org
Received: from snipe.prod.itd.earthlink.net (snipe.mail.pas.earthlink.net [207.217.120.62])
	by hub.freebsd.org (Postfix) with ESMTP
	id 7BD8F37B416; Sun, 24 Feb 2002 00:58:32 -0800 (PST)
Received: from pool0175.cvx22-bradley.dialup.earthlink.net ([209.179.198.175] helo=mindspring.com)
	by snipe.prod.itd.earthlink.net with esmtp (Exim 3.33 #1)
	id 16euU2-00005i-00; Sun, 24 Feb 2002 00:58:15 -0800
Message-ID: <3C78AB18.B30A8D6E@mindspring.com>
Date: Sun, 24 Feb 2002 00:58:00 -0800
From: Terry Lambert <tlambert2@mindspring.com>
X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony}  (Win98; U)
X-Accept-Language: en
MIME-Version: 1.0
To: Jake Burkholder <jake@locore.ca>
Cc: Matthew Dillon <dillon@apollo.backplane.com>,
	Alfred Perlstein <alfred@FreeBSD.ORG>,
	Bosko Milekic <bmilekic@unixdaemons.com>,
	Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp>,
	current@FreeBSD.ORG, John Baldwin <jhb@FreeBSD.ORG>
Subject: Re: malloc_bucket() idea (was Re: How to fix malloc.)
References: <200201051752.g05Hq3gG074525@silver.carrots.uucp.r.dl.itc.u-tokyo.ac.jp> <XFMail.020114020307.jhb@FreeBSD.org> <200201241022.g0OAMISM093913@faber.r.dl.itc.u-tokyo.ac.jp> <20020124024534.V13686@elvis.mu.org> <200202131739.g1DHdZT5023794@rina.r.dl.itc.u-tokyo.ac.jp> <200202190945.g1J9j9kg076110@rina.r.dl.itc.u-tokyo.ac.jp> <200202232051.g1NKpE741310@apollo.backplane.com> <20020223211449.GJ80761@elvis.mu.org> <200202232243.g1NMhZP49110@apollo.backplane.com> <20020223182947.A35990@locore.ca>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-current.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-current>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-current>
X-Loop: FreeBSD.ORG

Jake Burkholder wrote:
> Jeff Roberson (jeff@) has been working on a slab allocator that goes
> a long way to making malloc(), free() and the zone allocator not require
> giant.  I've reviewed what he's got so far and it looks pretty damn good
> to me, I'll see about getting him to post it.  He's working on adding the
> per-cpu queues now.

A design like this resolves my objection to the pure SLAB
allocator; Vahalia suggests this as a potential enhancment
in his book, and the authors of the SLAB allocator mention
it in their second paper (~1996/1997).

-- Terry

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message