Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95902C433FE for ; Wed, 1 Dec 2021 03:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346412AbhLADMp (ORCPT ); Tue, 30 Nov 2021 22:12:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346403AbhLADMo (ORCPT ); Tue, 30 Nov 2021 22:12:44 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DA79C061746 for ; Tue, 30 Nov 2021 19:09:24 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id x7so16907615pjn.0 for ; Tue, 30 Nov 2021 19:09:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:to:cc:references:subject :content-language:from:reply-to:in-reply-to :content-transfer-encoding; bh=JCdsNFesDkuuM1VR2LPSkkTD1jlcMDvQK+ffmxURn+g=; b=bgbM3XhbJAWBjpnSaRSKN5x9K9qNIxiC7vK0MluFkyVxwWpjK7InPC7X8JgtyS639t VK4p76abakz/439mKRQ+KokCvszmbJUfuMmvAotKJPK/7IXCTlITTsqFMku+26CGhrJP O5pany0S58DGuTfKl/h+Pxsvi3F14Cu9qVKSA6X2GbSIwACHTW+weykLsjJFwDN724Rc aROBbBBkFWJ8fW5aFU7ubkDai+tcGRcmV2VwfFSKu4DJQtZ1A0g/p1YkxbF3KdJkKqWJ LbRBPIxpzbjhEPo5Y9yzKivcrMPBK7w3uiZvx2r4tl9WLbeRQxFkwoRnYga4zZ52xx0a tU1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:to:cc :references:subject:content-language:from:reply-to:in-reply-to :content-transfer-encoding; bh=JCdsNFesDkuuM1VR2LPSkkTD1jlcMDvQK+ffmxURn+g=; b=VBLMixZovohtgVfOV64pi+xOPYtYMvUNrbVw3l+scz3vpLlx8qnVbIO+HzsqHVUNJb y1UPhGH5b1eWeUOA1kmxtkks5dIs2ckAnp5CMFxsvGb1B3naLqlhlEF6NVv4tJRDZcwH zaN7OXaria9jGAYRG9aY9hRFk8yHpQrplyFRWwEJ0pyCoxBdxIKcuwlmn7JQOhyMt+VF acyaF9eJ52i40jB2uLC1ttcpZxlIA7E8OYv4rA/mtZIH56y/XQTMuUN9t37cHaC7Ju5B cCkAK4dJSqIUEkJqvvZ6AbMFYLVLatntoPGLwDIXzjshs78EIY1w4nh1W4GHsaPZD7FJ 473g== X-Gm-Message-State: AOAM530u0NcRt8pKtb76832YaeISLLtRghQuAuMqX4Rj0fuM8W16gayh CfsQTrILoVPQBUJ5aylevPj9MspZajIOXndp X-Google-Smtp-Source: ABdhPJxiUGARIFqsFxUSlvAWP1A7uyuEjb9oPxtVgNSIB1NC1DI9nd/TbQZJc8nJEFO6CJEFgKtUhQ== X-Received: by 2002:a17:903:110c:b0:143:9edf:4985 with SMTP id n12-20020a170903110c00b001439edf4985mr655597plh.15.1638328163791; Tue, 30 Nov 2021 19:09:23 -0800 (PST) Received: from [10.76.43.192] ([61.120.150.76]) by smtp.gmail.com with ESMTPSA id 16sm9637367pgu.93.2021.11.30.19.09.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Nov 2021 19:09:23 -0800 (PST) Message-ID: Date: Wed, 1 Dec 2021 11:09:18 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 To: feng.tang@intel.com Cc: linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <1627970362-61305-1-git-send-email-feng.tang@intel.com> Subject: Re: [PATCH v7 0/5] Introduce multi-preference mempolicy Content-Language: en-US From: Gang Li Reply-To: 1627970362-61305-1-git-send-email-feng.tang@intel.com In-Reply-To: <1627970362-61305-1-git-send-email-feng.tang@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Feng: I am a little confused: We have `MPOL_PREFERRED`, why you introduce `MPOL_PREFERRED_MANY` instead of making `MPOL_PREFERRED` support multiple preferred nodes? -- Thanks Gang Li