From owner-freebsd-current@FreeBSD.ORG Tue Nov 2 13:11:26 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C31041065670; Tue, 2 Nov 2010 13:11:26 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 4244E8FC14; Tue, 2 Nov 2010 13:11:25 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id PAA12951; Tue, 02 Nov 2010 15:11:23 +0200 (EET) (envelope-from avg@freebsd.org) Message-ID: <4CD00DFB.7030603@freebsd.org> Date: Tue, 02 Nov 2010 15:11:23 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.11) Gecko/20101021 Lightning/1.0b2 Thunderbird/3.1.5 MIME-Version: 1.0 To: Giovanni Trematerra References: <4C9B9B9C.6000807@freebsd.org> <4CBBEBDF.3060905@freebsd.org> <4CBC5719.1020807@freebsd.org> <4CBD40E2.7030507@freebsd.org> In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: alc@freebsd.org, freebsd-current@freebsd.org, kib@freebsd.org Subject: Re: panic in uma_startup for many-core amd64 system X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Nov 2010 13:11:26 -0000 on 01/11/2010 19:09 Giovanni Trematerra said the following: > Here the patch that was in my mind. > The patch doesn't implement dynamic slab size just allow > to have a multipage slab to back uma_zone objects. > I'm going to work more on the topic "dynamic slab size" soon. > I tested the patch on qemu with -smp 32. > I'm looking for real hw to test the patch on. Having only skimmed the patch I have a question - is this only used for internal zones? "Application" zones with large items still use off-page slabs? -- Andriy Gapon