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=-5.5 required=3.0 tests=MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 1869DC43331 for ; Tue, 31 Mar 2020 14:35:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D862920784 for ; Tue, 31 Mar 2020 14:35:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D862920784 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 818A76B0032; Tue, 31 Mar 2020 10:35:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7C8D46B0037; Tue, 31 Mar 2020 10:35:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6B77B6B0071; Tue, 31 Mar 2020 10:35:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0199.hostedemail.com [216.40.44.199]) by kanga.kvack.org (Postfix) with ESMTP id 51CB16B0032 for ; Tue, 31 Mar 2020 10:35:17 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 14DBB8248047 for ; Tue, 31 Mar 2020 14:35:17 +0000 (UTC) X-FDA: 76655905074.25.rule23_2e1277befd25a X-HE-Tag: rule23_2e1277befd25a X-Filterd-Recvd-Size: 3672 Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Tue, 31 Mar 2020 14:35:16 +0000 (UTC) Received: by mail-pg1-f195.google.com with SMTP id c23so2038619pgj.3 for ; Tue, 31 Mar 2020 07:35:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=TSPLzvrnJ53vv3T/Bya9rsYLlqwB9kjQQg2KaBIgeo0=; b=bswE9wQGwCw2awSJIe4tbW9iTf+6HWaWltaqwe72cAyjbr1Rrvy2mdhxfBp5QhM4K/ 45w8m4a2Dt/xujOKS/c4NSQK2Kw9B8LlTIO7Vlo1PnO5JM7yrxo7WUrL1M1B1xVpN+54 FYDaX4o54DD1vODSysKZq7KQcXN3z9saD2ikPYp4w6Eq8+1w+4vUw0LU2pLtnYtJeVDj beGfuEeC/PJjT57sHRjGyH5Ta30SXcPp63Pk2gPPHjiS1VsjHV8+8psh/hEr6NznkZ3b k5QLrz9S2Xs7BQcYr6XrIj+8o7wQkSLJw0faGd7zmsfXXzdK3tw4LQzG7Waj8eyPHk+v X3Qg== X-Gm-Message-State: ANhLgQ1ATVlGXfQqhD4UHO2is+oj7dYNOXO5PJetS7WZnj3h8qKtqb+2 OcPa0cmLW/339kfp1u+j4kc= X-Google-Smtp-Source: ADFU+vuuBV7k3mY10/4QzCWXRRq2G6ZnBzLTxqNyH56h6BTUITQbgB5aKGbI992Kpqbks70dIQs6Xw== X-Received: by 2002:a62:ae06:: with SMTP id q6mr18802906pff.137.1585665315490; Tue, 31 Mar 2020 07:35:15 -0700 (PDT) Received: from 42.do-not-panic.com (42.do-not-panic.com. [157.230.128.187]) by smtp.gmail.com with ESMTPSA id w127sm12572793pfw.218.2020.03.31.07.35.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2020 07:35:13 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id A806E40277; Tue, 31 Mar 2020 14:35:12 +0000 (UTC) Date: Tue, 31 Mar 2020 14:35:12 +0000 From: Luis Chamberlain To: Vlastimil Babka Cc: Kees Cook , Iurii Zaikin , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-mm@kvack.org, Ivan Teterevkov , Michal Hocko , David Rientjes , Matthew Wilcox , "Eric W . Biederman" , "Guilherme G . Piccoli" , Alexey Dobriyan , Thomas Gleixner , Greg Kroah-Hartman , Christian Brauner Subject: Re: [PATCH 2/3] kernel/sysctl: support handling command line aliases Message-ID: <20200331143512.GZ11244@42.do-not-panic.com> References: <20200330115535.3215-1-vbabka@suse.cz> <20200330115535.3215-3-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200330115535.3215-3-vbabka@suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) 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 Mon, Mar 30, 2020 at 01:55:34PM +0200, Vlastimil Babka wrote: > We can now handle sysctl parameters on kernel command line, but historically > some parameters introduced their own command line equivalent, which we don't > want to remove for compatibility reasons. We can however convert them to the > generic infrastructure with a table translating the legacy command line > parameters to their sysctl names, and removing the one-off param handlers. > > This patch adds the support and makes the first conversion to demonstrate it, > on the (deprecated) numa_zonelist_order parameter. > > Signed-off-by: Vlastimil Babka Reviewed-by: Luis Chamberlain Luis