Received: by 10.192.165.148 with SMTP id m20csp4267315imm; Tue, 8 May 2018 05:55:05 -0700 (PDT) X-Google-Smtp-Source: AB8JxZpuR+QuUyIqJ6b7STO1Vib2OuN9O1Vxtzm3lyc7d68vuROHEz5C385+QTWu0HA1G6rEMwPr X-Received: by 2002:a17:902:3381:: with SMTP id b1-v6mr41568543plc.248.1525784105282; Tue, 08 May 2018 05:55:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525784105; cv=none; d=google.com; s=arc-20160816; b=L673nanc0VcOy9La5Pl82FF9W/Jk9+KbQaZ0nAFDCmUwD047RXPH5L5ToCNGqF5JIP Fo2uoAlxwec27G7uQYZW6Mi+h3Vfk1WBL60myd5/jei7RMerbVEt0RvqKnPv/qlWm++C PcyTMqSVu4UKx+T8Ief3YGZEE2uEzHo1fkCnQ8TEqyscyRCpEJ/njy8b8YiroR4F4fU4 K90txymbHiy62LtVuNQJtVc+CP/CYBjlEWDhEsELkpsND3LGOT+7X7g+Lrrojb062AA3 7fBUjUMtv490Xv2HZrSpihECr5jRB9fqgcCX7Yy5XSogMkHf7RFc1zPeJ+rpVShU71so ng1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date :arc-authentication-results; bh=WRSRLHRk5PhU/kwqylCuoAQLGWmU/HqjX0C2BdHRtiU=; b=juiGAHOt2qO4rm5kalnU0CGaNipI0dNm4HHHV93Okqp6O39VZxhK5Wy9pfxTptJQ8z VdCPXSVS1CveVD3+UW2deA6PHvkbeKkrubga295gfHkwmtpwEx8YJOt6RhOS5lnBCq2u Sa57siwmUAZijB2CBNo/Rv1zPUwajg1kgEYLTWC7CPvWZMiHoTm6BW1bXMA8s0C5rorc PRPMrX/8E2UZ/Fr/hyJDuVn8BVaVYYXI5TIdpB3F7sJVq/jwyZD+rrYNI9aOokZjr8Zn sRvvqj9RGxpxeCmjKOR7EBz7Pz89CcXaQVzmF8syQ7QRxMtK8xI0vlR/iYIo5xR5ENea M2gQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n26-v6si19909490pgc.677.2018.05.08.05.54.50; Tue, 08 May 2018 05:55:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755022AbeEHMxY (ORCPT + 99 others); Tue, 8 May 2018 08:53:24 -0400 Received: from resqmta-ch2-08v.sys.comcast.net ([69.252.207.40]:59354 "EHLO resqmta-ch2-08v.sys.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754545AbeEHMxX (ORCPT ); Tue, 8 May 2018 08:53:23 -0400 Received: from resomta-ch2-13v.sys.comcast.net ([69.252.207.109]) by resqmta-ch2-08v.sys.comcast.net with ESMTP id G0jIftJ1fDXzVG27OfIG3o; Tue, 08 May 2018 12:53:22 +0000 Received: from gentwo.org ([98.222.162.64]) by resomta-ch2-13v.sys.comcast.net with ESMTPA id G27NflUF8KZDGG27OfzDMP; Tue, 08 May 2018 12:53:22 +0000 Received: by gentwo.org (Postfix, from userid 1001) id 8E7831160540; Tue, 8 May 2018 07:53:21 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id 8AF5A116050C; Tue, 8 May 2018 07:53:21 -0500 (CDT) Date: Tue, 8 May 2018 07:53:21 -0500 (CDT) From: Christopher Lameter X-X-Sender: cl@nuc-kabylake To: "prakash.sangappa" cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, akpm@linux-foundation.org, mhocko@suse.com, kirill.shutemov@linux.intel.com, n-horiguchi@ah.jp.nec.com, drepper@gmail.com, rientjes@google.com Subject: Re: [RFC PATCH] Add /proc//numa_vamaps for numa node information In-Reply-To: Message-ID: References: <1525240686-13335-1-git-send-email-prakash.sangappa@oracle.com> <98e34010-d55a-5f2d-7d98-cba424de2e74@oracle.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-CMAE-Envelope: MS4wfHlL3cipq14VGidN1P14PlKyIBTc5QfGV+bfHQih1k497KIxv/S4T71+Cdv0htEpSPlq7y4TtptQYmpkECD/Ok/WLfGNDk3ivXXNj9D8qBVnHzWvOqYb 8h2pJy7MdMybo23Euv6ghmD4J31ju5561LJKDLHIQSRm8Czcp8ZAdowih2e4YAmtsYQ93YZsOrdkf8ZhEuO1kHA9YUs/hqpbWqYDAFRPG2pxS0ap6MFw7v4t e7KAw8RE4nuE0Sx/2/CA+AxLy8yX/WcSx/JZEIrKxdHXjxoO030btA+N++LrbNqucsU3oIxZaOsoGy6ctN4gPFp1RPL2EeN0gICYtPPhgT4ip9qYL29dvyl1 wWEBOccvExk1PWlxjCG9vMje9p2SwhbW/Wq3c0Rjdv0yCapDwzHIPsLznKqpKgehT1oQ7TWdumz8NQo2St66zZQ2lLntV6YkocJ/h3dyl6Ovb6xtKyU3DjIW vMPW444pOBUs5od4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 7 May 2018, prakash.sangappa wrote: > > each address for each page? Length of the VMA segment? > > Physical address? > > Need numa node information for each virtual address with pages mapped. > No need of physical address. You need per page information? Note that there can only be one page per virtual address. Or are we talking about address ranges? https://www.kernel.org/doc/Documentation/vm/pagemap.txt ? Also the move_pages syscall has the ability to determine the location of individual pages.