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=-6.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 0F875C47082 for ; Mon, 31 May 2021 21:41:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D95C060FE3 for ; Mon, 31 May 2021 21:41:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232130AbhEaVnM (ORCPT ); Mon, 31 May 2021 17:43:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:32826 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231377AbhEaVnK (ORCPT ); Mon, 31 May 2021 17:43:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4F7F761005; Mon, 31 May 2021 21:41:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1622497289; bh=H2WLMsKJwsJTdkHL+YrGxee/qD2u+/tQaEtbrsoPLmc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=0zenZpS8clh6zjSsj3W3sDHD397nXxO4EI4+r60fm4T23eznAe0wgGWqqoF8lN2By CTXgCJdhkrIQvxIu3ViDsJSmY/csqYeUTuBDx0OLQDkiO5OQQfaGmFmEna2hnbm09g 4C37AeWwJMB+iBpSo1AStoa2Htx/1/AWzs4xFfSU= Date: Mon, 31 May 2021 14:41:28 -0700 From: Andrew Morton To: Feng Tang Cc: linux-mm@kvack.org, Michal Hocko , David Rientjes , Dave Hansen , Ben Widawsky , linux-kernel@vger.kernel.org, Andrea Arcangeli , Mel Gorman , Mike Kravetz , Randy Dunlap , Vlastimil Babka , Andi Kleen , Dan Williams , ying.huang@intel.com Subject: Re: [v3 PATCH 0/3] mm/mempolicy: some fix and semantics cleanup Message-Id: <20210531144128.e69aaf2904e83ae170f00f06@linux-foundation.org> In-Reply-To: <1622469956-82897-1-git-send-email-feng.tang@intel.com> References: <1622469956-82897-1-git-send-email-feng.tang@intel.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 31 May 2021 22:05:53 +0800 Feng Tang wrote: > We've posted v4 patchset introducing a new "perfer-many" memory policy > https://lore.kernel.org/lkml/1615952410-36895-1-git-send-email-feng.tang@intel.com/ , > for which Michal Hocko gave many comments while pointing out some > problems, and we also found some semantics confusion about 'prefer' > and 'local' policy, as well as some duplicated code. This patchset > tries to address them. Please help to review, thanks! > > The patchset has been run with some sanity test like 'stress-ng' > and 'ltp', and no problem found. None of the above is suitable for the [0/n] overall description. I copied-n-pasted the v1 cover letter from the above link. Please check that it is all still correct and up to date. If not, please send along replacement text, thanks.