From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1828DC433E1 for ; Tue, 23 Jun 2020 01:22:53 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D6CCC20720 for ; Tue, 23 Jun 2020 01:22:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6CCC20720 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 63F986B0002; Mon, 22 Jun 2020 21:22:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 617AA6B0005; Mon, 22 Jun 2020 21:22:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 52CB66B0006; Mon, 22 Jun 2020 21:22:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0173.hostedemail.com [216.40.44.173]) by kanga.kvack.org (Postfix) with ESMTP id 3D1E66B0002 for ; Mon, 22 Jun 2020 21:22:52 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id DC35033C4 for ; Tue, 23 Jun 2020 01:22:51 +0000 (UTC) X-FDA: 76958727342.25.meal24_1e0cd2e26e37 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id B20FE1804E3A0 for ; Tue, 23 Jun 2020 01:22:51 +0000 (UTC) X-HE-Tag: meal24_1e0cd2e26e37 X-Filterd-Recvd-Size: 2986 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by imf47.hostedemail.com (Postfix) with ESMTP for ; Tue, 23 Jun 2020 01:22:49 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01422;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0U0SetIO_1592875365; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U0SetIO_1592875365) by smtp.aliyun-inc.com(127.0.0.1); Tue, 23 Jun 2020 09:22:46 +0800 Date: Tue, 23 Jun 2020 09:22:45 +0800 From: Wei Yang To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Johannes Weiner , Michal Hocko , Minchan Kim , Huang Ying , Wei Yang , Mel Gorman , Dan Williams Subject: Re: [PATCH v2 3/3] mm/shuffle: remove dynamic reconfiguration Message-ID: <20200623012245.GA99806@L-31X9LVDL-1304.local> Reply-To: Wei Yang References: <20200619125923.22602-1-david@redhat.com> <20200619125923.22602-4-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200619125923.22602-4-david@redhat.com> X-Rspamd-Queue-Id: B20FE1804E3A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 19, 2020 at 02:59:22PM +0200, David Hildenbrand wrote: >Commit e900a918b098 ("mm: shuffle initial free memory to improve >memory-side-cache utilization") promised "autodetection of a >memory-side-cache (to be added in a follow-on patch)" over a year ago. > >The original series included patches [1], however, they were dropped >during review [2] to be followed-up later. > >Due to lack of platforms that publish an HMAT, autodetection is currently >not implemented. However, manual activation is actively used [3]. Let's >simplify for now and re-add when really (ever?) needed. > >[1] https://lkml.kernel.org/r/154510700291.1941238.817190985966612531.stgit@dwillia2-desk3.amr.corp.intel.com >[2] https://lkml.kernel.org/r/154690326478.676627.103843791978176914.stgit@dwillia2-desk3.amr.corp.intel.com >[3] https://lkml.kernel.org/r/CAPcyv4irwGUU2x+c6b4L=KbB1dnasNKaaZd6oSpYjL9kfsnROQ@mail.gmail.com > >Cc: Andrew Morton >Cc: Johannes Weiner >Cc: Michal Hocko >Cc: Minchan Kim >Cc: Huang Ying >Cc: Wei Yang >Cc: Mel Gorman >Cc: Dan Williams >Signed-off-by: David Hildenbrand Reviewed-by: Wei Yang -- Wei Yang Help you, Help me