From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 12 17:48:02 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6F03162D; Mon, 12 Nov 2012 17:48:02 +0000 (UTC) (envelope-from bright@mu.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.freebsd.org (Postfix) with ESMTP id 48D298FC0C; Mon, 12 Nov 2012 17:48:02 +0000 (UTC) Received: from [10.0.1.17] (c-67-180-208-218.hsd1.ca.comcast.net [67.180.208.218]) by elvis.mu.org (Postfix) with ESMTPSA id E2FEF1A3CEB; Mon, 12 Nov 2012 09:48:01 -0800 (PST) References: <20121110132019.GP73505@kib.kiev.ua> <50A0E77C.6010108@freebsd.org> In-Reply-To: <50A0E77C.6010108@freebsd.org> Mime-Version: 1.0 (1.0) Message-Id: <22625087-4579-44AA-9633-CA81FAF6E8E7@mu.org> X-Mailer: iPhone Mail (9B206) From: Alfred Perlstein Subject: Re: Memory reserves or lack thereof Date: Mon, 12 Nov 2012 09:47:59 -0800 To: Andre Oppermann Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "alc@freebsd.org" , Konstantin Belousov , Alan Cox , "Sears, Steven" , "freebsd-hackers@freebsd.org" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Nov 2012 17:48:02 -0000 On Nov 12, 2012, at 4:11 AM, Andre Oppermann wrote: > > > I don't think many places depend on M_NOWAIT digging deep. I'm > perfectly happy with having M_NOWAIT give up on first try. Only > together with M_TRY_REALLY_HARD it would dig into reserves. > > PS: We have a really nasty namespace collision with the mbuf flags > which use the M_* prefix as well. Agreed. >