From owner-freebsd-hackers@FreeBSD.ORG Tue Jan 13 15:48:25 2015 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4DBF02C6; Tue, 13 Jan 2015 15:48:25 +0000 (UTC) Received: from smtp.vangyzen.net (hotblack.vangyzen.net [IPv6:2607:fc50:1000:7400:216:3eff:fe72:314f]) by mx1.freebsd.org (Postfix) with ESMTP id 2F1B998; Tue, 13 Jan 2015 15:48:25 +0000 (UTC) Received: from marvin.lab.vangyzen.net (c-24-125-214-90.hsd1.va.comcast.net [24.125.214.90]) by smtp.vangyzen.net (Postfix) with ESMTPSA id BE6CA56467; Tue, 13 Jan 2015 09:48:17 -0600 (CST) Message-ID: <54B53E40.1030903@vangyzen.net> Date: Tue, 13 Jan 2015 10:48:16 -0500 From: Eric van Gyzen User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Lars Engels , Allan Jude Subject: Re: [PATCH] Display progress during getmemsize() so the kernel doesn't look like it hanged References: <54B35B36.4040504@freebsd.org> <20150113091122.GK67556@e-new.0x20.net> In-Reply-To: <20150113091122.GK67556@e-new.0x20.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jan 2015 15:48:25 -0000 On 01/13/2015 04:11, Lars Engels wrote: > On Mon, Jan 12, 2015 at 12:27:18AM -0500, Allan Jude wrote: >> Is this feature still useful with memtest.tests=0? > This feature is useful for everyone who has it set to 1, if they know > about it or not. So it's a very useful feature. Agreed. Comments on the patch: The patch will divide by zero when PAGE_SIZE > 1 MiB. Maybe remove PAGES_PER_MB, and just use PAGES_PER_GB. Make it const, too. The "total" line is mostly redundant with the later messages regarding "real memory" and "avail memory". I suggest removing it. Eric