From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by kanga.kvack.org (Postfix) with ESMTP id 7A7178E0002 for ; Fri, 18 Jan 2019 08:16:19 -0500 (EST) Received: by mail-pf1-f200.google.com with SMTP id e89so10004153pfb.17 for ; Fri, 18 Jan 2019 05:16:19 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id s36sor6743682pld.52.2019.01.18.05.16.17 for (Google Transport Security); Fri, 18 Jan 2019 05:16:18 -0800 (PST) Date: Sat, 19 Jan 2019 00:16:11 +1100 From: Balbir Singh Subject: Re: [PATCHv4 00/13] Heterogeneuos memory node attributes Message-ID: <20190118131611.GG26056@350D> References: <20190116175804.30196-1-keith.busch@intel.com> <20190117125821.GF26056@350D> <20190117154436.GB31543@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190117154436.GB31543@localhost.localdomain> Sender: owner-linux-mm@kvack.org List-ID: To: Keith Busch Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org, Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams On Thu, Jan 17, 2019 at 08:44:37AM -0700, Keith Busch wrote: > On Thu, Jan 17, 2019 at 11:58:21PM +1100, Balbir Singh wrote: > > On Wed, Jan 16, 2019 at 10:57:51AM -0700, Keith Busch wrote: > > > It had previously been difficult to describe these setups as memory > > > rangers were generally lumped into the NUMA node of the CPUs. New > > > platform attributes have been created and in use today that describe > > > the more complex memory hierarchies that can be created. > > > > > > > Could you please expand on this text -- how are these attributes > > exposed/consumed by both the kernel and user space? > > > > > This series' objective is to provide the attributes from such systems > > > that are useful for applications to know about, and readily usable with > > > existing tools and libraries. > > > > I presume these tools and libraries are numactl and mbind()? > > Yes, and numactl is used the examples provided in both changelogs and > documentation in this series. Do you want to see those in the cover > letter as well? Not really, I was just reading through the cover letter and was curious Balbir Singh.