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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2957CC38145 for ; Wed, 7 Sep 2022 15:26:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229477AbiIGP0P (ORCPT ); Wed, 7 Sep 2022 11:26:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229695AbiIGP0M (ORCPT ); Wed, 7 Sep 2022 11:26:12 -0400 Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A21F312742; Wed, 7 Sep 2022 08:26:11 -0700 (PDT) Received: by mail-pf1-x435.google.com with SMTP id z187so14964433pfb.12; Wed, 07 Sep 2022 08:26:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date; bh=T6N91VXL3P8JDR20lw0om2klLL1DyAPfzo9iAd40Kjg=; b=K8P5YEaVd5+q3A8nyGjz9haRwLkLdQ+3gkZT7IJhCoE9Z+aDbjvnVaJy3IpbnK+4Id Tpxl2i7/GxiWvlli2vFfE7Ztdv8G5GRIbcWSFH25XSFKKNEWuyJ6AQ5DguaKT7l/2mSI ZDskeA/7IG6yx76IgwlZRdc3SsNYF2GeoboK3BZxyQ0ZhEqj6tjBzrraJI8rORFGu3Ou 8wOLposlrWgOCaQjVL71crILG+qiz94TwejqdrmGgiZ3Aa4YF6/rlCdLnOr50W0B2NWZ fLofVTge7UqV6obw9NLTxpzwdxdrWtMUGXkXGaV7x019QsbiXbGAhPsME/qXNJHoOHbA +/Bw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date; bh=T6N91VXL3P8JDR20lw0om2klLL1DyAPfzo9iAd40Kjg=; b=tvsdHMlrbTB8zQBtFg/bMCaoNPToDC/9q5BmMhK2wf+LdWfwZp06JjhNUst+09Mqc8 CVoCkcvXDSMs8DZZVUQNAEUXwpl1HpzYtwepOmxFB9YnQ4/QHfUkCeCN/JWASjNOqY7+ Ut7qf+uW+VHQDCCZsbEH0P6OsLDkhCq9JdY8lCgl0zngZzrzgGWE1g6swmV+kMZqEX43 a/luNY13oO6QOBrAAtRIIUkUjacysVbAe4UsJ4YYwcqc2cqThbzhlFzV+eQp5UkD4UUX dNchX0PB5r6PANRwCKonGW0gPV+sGS5SaLWiojIuIWwDpJrQ7nE5dSQyGuDl4T0HO3Yy hCvA== X-Gm-Message-State: ACgBeo3+5RNkIvs3XJR17ibruHnqViLnfJNBM74hrgP55KUczydvSgiZ fHjlsQj1Wm3BsYzl8r4Yl7g= X-Google-Smtp-Source: AA6agR4tl43GZYvunN36ftktUwWbipKnbvYHV2gfLiaXyPYbOh83fwEBmn1Apv+RIzqkQnhEqF59fA== X-Received: by 2002:a65:6d13:0:b0:41d:7380:e9cc with SMTP id bf19-20020a656d13000000b0041d7380e9ccmr3907155pgb.153.1662564370905; Wed, 07 Sep 2022 08:26:10 -0700 (PDT) Received: from localhost (2603-800c-1a02-1bae-a7fa-157f-969a-4cde.res6.spectrum.com. [2603:800c:1a02:1bae:a7fa:157f:969a:4cde]) by smtp.gmail.com with ESMTPSA id e7-20020a63db07000000b0041a67913d5bsm10797834pgg.71.2022.09.07.08.26.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Sep 2022 08:26:10 -0700 (PDT) Sender: Tejun Heo Date: Wed, 7 Sep 2022 05:26:09 -1000 From: Tejun Heo To: Zhongkun He Cc: lizefan.x@bytedance.com, hannes@cmpxchg.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Phishing Risk] Re: [Phishing Risk] [External] Re: [PATCH] cgroup/cpuset: Add a new isolated mems.policy type. Message-ID: References: <20220902063303.1057-1-hezhongkun.hzk@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Wed, Sep 07, 2022 at 08:06:30PM +0800, Zhongkun He wrote: > It would be better if one process had a way to dynamically modify the > mempolicy of another process. But unfortunately there is no interface or > system call to do that in userspace. If you need to change the properties dynamically, I suggest adding this as a dynamic per-process interface first. That's more generic and useful for more cases. Thanks. -- tejun