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=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 599A8C2D0EE for ; Tue, 31 Mar 2020 14:35:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2BD092071A for ; Tue, 31 Mar 2020 14:35:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585665317; bh=2k1N3wVEVCIhDMwi1VTg4LtcrUw0X6bDCMqCwdfOCrE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=kBPvgmXNQrNMVavwaY44PYVEwGE4KMJn7/v8ReShd+pHE+sIZ/jYqI6O2NmZtvobQ a1p7o3ziB4e7F7QkKMpZfnUt6/MxDpM40e4xfSXegLw/FvaXRPT+bx9Ed2awMzzPsV dgmG3p8+IQOaUCLHQi4HvC4FMX+uCIxbEscg1XUs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730907AbgCaOfQ (ORCPT ); Tue, 31 Mar 2020 10:35:16 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:42654 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730845AbgCaOfQ (ORCPT ); Tue, 31 Mar 2020 10:35:16 -0400 Received: by mail-pf1-f193.google.com with SMTP id 22so10402994pfa.9; 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=qgCtSO0R8O9wBzICEumW8dbkN0MkW7zfsK9JspmQEYzexcvYOtx7M2JxUc5L5lGvIA 8TRzOLH/uC87vKucGSQnKaDmQJ8/fxPMuvmAFbgK8A7+fPF1zafWF20HHhH4C3eC0/s5 +Di+fjESm1uF2A8ogkhAxfxyTgMw/LKf4n7YhklQkgEYzjfKrdHr6jydHIm8AccTo7n3 uZpmkD0fKkCctFTMusb0jBNcYxTvKlyttBTp4JteFupFM7Z1rjJ1rhGLpRJ1O6ZEqoM0 uf1cutO152stutmuA8L5pd7tDyNLMbvvNOBWA/mLlJrEXyNH8cROC3rKSgjsspzLs1HY Rryw== X-Gm-Message-State: ANhLgQ323oxc0tQZcybzgkNj2kcDPs4bQ2FrURcxUhLA2XdpIcrOEy37 pvvG/47bQJbtssBFadApnB0= 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) Sender: linux-api-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org 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