Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753236AbbFZP0y (ORCPT ); Fri, 26 Jun 2015 11:26:54 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:37696 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752787AbbFZP0p (ORCPT ); Fri, 26 Jun 2015 11:26:45 -0400 MIME-Version: 1.0 In-Reply-To: <1435285301.11808.381.camel@misato.fc.hp.com> References: <20150625090554.40066.69562.stgit@dwillia2-desk3.jf.intel.com> <20150625093743.40066.92148.stgit@dwillia2-desk3.jf.intel.com> <1435285301.11808.381.camel@misato.fc.hp.com> Date: Fri, 26 Jun 2015 08:26:44 -0700 Message-ID: Subject: Re: [PATCH v2 16/17] libnvdimm: Add sysfs numa_node to NVDIMM devices From: Dan Williams To: Toshi Kani Cc: "linux-nvdimm@lists.01.org" , Jens Axboe , Boaz Harrosh , "linux-kernel@vger.kernel.org" , Christoph Hellwig , Linux ACPI , linux-fsdevel , Ingo Molnar Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1623 Lines: 41 On Thu, Jun 25, 2015 at 7:21 PM, Toshi Kani wrote: > On Thu, 2015-06-25 at 05:37 -0400, Dan Williams wrote: >> From: Toshi Kani >> >> Add support of sysfs 'numa_node' to I/O-related NVDIMM devices >> under /sys/bus/nd/devices, regionN, namespaceN.0, and bttN. >> When bttN is not set up, its numa_node returns -1 (NUMA_NO_NODE). >> >> An example of numa_node values on a 2-socket system with a single >> NVDIMM range on each socket is shown below. >> /sys/bus/nd/devices >> |-- btt0/numa_node:-1 >> |-- btt1/numa_node:0 >> |-- namespace0.0/numa_node:0 >> |-- namespace1.0/numa_node:1 >> |-- region0/numa_node:0 >> |-- region1/numa_node:1 >> >> These numa_node files are then linked under the block class of >> their device names. >> /sys/class/block/pmem0/device/numa_node:0 >> /sys/class/block/pmem0s/device/numa_node:0 >> /sys/class/block/pmem1/device/numa_node:1 >> >> This enables numactl(8) to accept 'block:' and 'file:' paths of >> pmem and btt devices as shown in the examples below. >> numactl --preferred block:pmem0 --show >> numactl --preferred file:/dev/pmem0s --show >> >> Signed-off-by: Toshi Kani >> Signed-off-by: Dan Williams > > Can you please update the commit log with the following? It reflects > the changes in sysfs btt files. Done, thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/