From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 12 23:49:11 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 B320B6C4; Mon, 12 Nov 2012 23:49:11 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 729468FC12; Mon, 12 Nov 2012 23:49:11 +0000 (UTC) Received: by mail-pb0-f54.google.com with SMTP id wz17so3185530pbc.13 for ; Mon, 12 Nov 2012 15:49:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=1HCRcQwtM4jFwiwkcOsunmOqfpR3+nMj6Jch0wtrELY=; b=tPHkiMqW+opuZJHIock2sGEZhm6Y3QfPI3ShVSLOU/ic3Y8rEpLjsuA844d8QcvJk8 YzXIvMTlAG3OgvldfG0yQ0Aj5fA18tAwyf/4SI0y2uk+L7rZG2BwwERQUAm0q9U/cjhS g5R9EY8JOxzf39BEGySN5q+jdcr/xh6CgEFG8SPKqKycq+EhmLcoFGWYf2BJbytM4pzn PDIfS+gohZ1LE58ZjoaXqyn42zi4dgKu156SATRzD7I5+SotddaKwqpVsUV5cHgI0pWC 0ZBaquqO9+OwQCisDQp6/NwuZstgGXJVSh7v+iPmoB5N9TtNsyuP3dKFqvZOJWE+vdbW mI7g== MIME-Version: 1.0 Received: by 10.68.209.166 with SMTP id mn6mr34085109pbc.95.1352764151086; Mon, 12 Nov 2012 15:49:11 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.68.124.130 with HTTP; Mon, 12 Nov 2012 15:49:11 -0800 (PST) In-Reply-To: <50A185B0.3030309@rice.edu> References: <20121112133638.GZ73505@kib.kiev.ua> <1352755682.93266.YahooMailClassic@web181701.mail.ne1.yahoo.com> <20121112214808.GH73505@kib.kiev.ua> <50A181C9.7030209@rice.edu> <50A185B0.3030309@rice.edu> Date: Mon, 12 Nov 2012 15:49:11 -0800 X-Google-Sender-Auth: G6U4KIFbFxqYwj6udtB544mTOx8 Message-ID: Subject: Re: Memory reserves or lack thereof From: Adrian Chadd To: Alan Cox Content-Type: text/plain; charset=ISO-8859-1 Cc: StevenSears , alc@freebsd.org, "freebsd-hackers@freebsd.org" , Sushanth Rai , pho@freebsd.org, Konstantin Belousov 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 23:49:11 -0000 On 12 November 2012 15:26, Alan Cox wrote: > On 11/12/2012 5:24 PM, Adrian Chadd wrote: >> >> .. wait, so what exactly would the difference be between M_NOWAIT and >> M_WAITOK? > > > Whether or not the allocation can sleep until memory becomes available. Ok, so we're still maintaining that particular behaviour. Cool. Adrian