From owner-freebsd-hackers Wed Jul 25 11:33:39 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from technokratis.com (modemcable052.174-202-24.mtl.mc.videotron.ca [24.202.174.52]) by hub.freebsd.org (Postfix) with ESMTP id 7587237B403 for ; Wed, 25 Jul 2001 11:33:36 -0700 (PDT) (envelope-from bmilekic@technokratis.com) Received: (from bmilekic@localhost) by technokratis.com (8.11.3/8.11.3) id f6PIan925377; Wed, 25 Jul 2001 14:36:49 -0400 (EDT) (envelope-from bmilekic) Date: Wed, 25 Jul 2001 14:36:49 -0400 From: Bosko Milekic To: Zhihui Zhang Cc: Terry Lambert , vishwanath pargaonkar , freebsd-hackers@FreeBSD.ORG Subject: Re: cluster size Message-ID: <20010725143649.A25300@technokratis.com> References: <20010725140737.A25132@technokratis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from zzhang@cs.binghamton.edu on Wed, Jul 25, 2001 at 02:17:38PM -0400 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Jul 25, 2001 at 02:17:38PM -0400, Zhihui Zhang wrote: > > I see. It has something to do with the power-of-two allocator we are > using inside the kernel. No, it has nothing to do with the power-of-two allocation strategy used in some cases inside the kernel. 2K is just the most convenient size for a cluster as it fits the maximum MTU size while at the same time fitting nicely into a page, reducing allocation complexity. > -Zhihui -- Bosko Milekic bmilekic@technokratis.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message