From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 12A436B0012 for ; Fri, 10 Jun 2011 13:23:58 -0400 (EDT) Date: Fri, 10 Jun 2011 18:23:07 +0100 From: Matthew Garrett Subject: Re: [PATCH 00/10] mm: Linux VM Infrastructure to support Memory Power Management Message-ID: <20110610172307.GA27630@srcf.ucam.org> References: <1306499498-14263-1-git-send-email-ankita@in.ibm.com> <20110528005640.9076c0b1.akpm@linux-foundation.org> <20110609185259.GA29287@linux.vnet.ibm.com> <20110610151121.GA2230@linux.vnet.ibm.com> <20110610155954.GA25774@srcf.ucam.org> <20110610165529.GC2230@linux.vnet.ibm.com> <20110610170535.GC25774@srcf.ucam.org> <20110610171939.GE2230@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110610171939.GE2230@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Paul E. McKenney" Cc: Kyungmin Park , Andrew Morton , Ankita Garg , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, svaidy@linux.vnet.ibm.com, thomas.abraham@linaro.org On Fri, Jun 10, 2011 at 10:19:39AM -0700, Paul E. McKenney wrote: > On Fri, Jun 10, 2011 at 06:05:35PM +0100, Matthew Garrett wrote: > > I mean at the hardware level. As far as I know, the best we can do at > > the moment is to put an entire node into self refresh when the CPU hits > > package C6. > > But this depends on the type of system and CPU family, right? If you > can say, which hardware are you thinking of? (I am thinking of ARM.) I haven't seen too many ARM servers with 256GB of RAM :) I'm mostly looking at this from an x86 perspective. -- Matthew Garrett | mjg59@srcf.ucam.org -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org