From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f196.google.com (mail-pl1-f196.google.com [209.85.214.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 1CAEF2118A593 for ; Tue, 6 Nov 2018 16:26:36 -0800 (PST) Received: by mail-pl1-f196.google.com with SMTP id w22-v6so3687154plk.0 for ; Tue, 06 Nov 2018 16:26:36 -0800 (PST) Message-ID: <1541550393.196084.202.camel@acm.org> Subject: Re: [driver-core PATCH v5 9/9] libnvdimm: Schedule device registration on node local to the device From: Bart Van Assche Date: Tue, 06 Nov 2018 16:26:33 -0800 In-Reply-To: <154145234526.29224.2575533246153120029.stgit@ahduyck-desk1.jf.intel.com> References: <154145223352.29224.8912797012647157172.stgit@ahduyck-desk1.jf.intel.com> <154145234526.29224.2575533246153120029.stgit@ahduyck-desk1.jf.intel.com> Mime-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Alexander Duyck , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org Cc: len.brown@intel.com, linux-pm@vger.kernel.org, rafael@kernel.org, jiangshanlai@gmail.com, linux-nvdimm@lists.01.org, pavel@ucw.cz, zwisler@kernel.org, tj@kernel.org, akpm@linux-foundation.org List-ID: On Mon, 2018-11-05 at 13:12 -0800, Alexander Duyck wrote: > This patch is meant to force the device registration for nvdimm devices to > be closer to the actual device. This is achieved by using either the NUMA > node ID of the region, or of the parent. By doing this we can have > everything above the region based on the region, and everything below the > region based on the nvdimm bus. > > By guaranteeing NUMA locality I see an improvement of as high as 25% for > per-node init of a system with 12TB of persistent memory. Thank you for having included the performance numbers. Reviewed-by: Bart Van Assche _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm