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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1207C43334 for ; Wed, 20 Jul 2022 16:49:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2300F6B0071; Wed, 20 Jul 2022 12:49:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1DE6D6B0073; Wed, 20 Jul 2022 12:49:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 07F6C6B0074; Wed, 20 Jul 2022 12:49:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id E99176B0071 for ; Wed, 20 Jul 2022 12:49:31 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id C0AABAAEA6 for ; Wed, 20 Jul 2022 16:49:31 +0000 (UTC) X-FDA: 79708064142.23.9471E05 Received: from mail-qk1-f176.google.com (mail-qk1-f176.google.com [209.85.222.176]) by imf26.hostedemail.com (Postfix) with ESMTP id 57F2C14008B for ; Wed, 20 Jul 2022 16:49:31 +0000 (UTC) Received: by mail-qk1-f176.google.com with SMTP id m7so3943866qkk.6 for ; Wed, 20 Jul 2022 09:49:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=IdX8x8KuGDrmo8OdGWM+s2IhO+yiRKLdL7Zo2PMSFN4=; b=fA5ACjYebGmyEbnpk02ZADGgZyXfWD24l6R1c/JewiQtUFSI+d/VO9w9T9n2DLJCQL uDHO6rwgTDLos9QvjWc6uIFsSu2vb5u2IkHWlFs8aJhQFN905lEkcykvEsUEg7CFx1la paGTn68cRr5oM9979v5iJMWGeYVFK48gHFQYJgGqX34fdeYgMtseWc3hbipbm46vtoyf t/nVdVBlhdE/sYfEJWwn21va2JYE9h3LwLkJQv+s9PszAUimQvBLaAOikOs6KkgnyGnm 4Rdc8QIncAZkw37fTFY3vGGoGGWsjBHbV4NlO7IcfMAMJVRtdkE8lvHUm65n7q5zkobl slhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=IdX8x8KuGDrmo8OdGWM+s2IhO+yiRKLdL7Zo2PMSFN4=; b=Zl5LhdGZyHnysKbMoekRgTXg/3KQmnQWKG9OmiRlZRGWIbK3mlV2x/vNmH6mGuXW2F JVyrItFZDnO63AGKuwiUwOaZt+mgJwRi+re+Zr7qqm+6ikig6tc8tcko746rpPcjY1RA WhZwO0jrw6AbRfvcIIsSKj9AnCy2jv+oFdyU3tEiSyM9iWpl93LOlv3UjEG75wZ0wUWL 3zVR0g5oxYU82xEbTNS9VBG3CLm4pJrrBWRln3OAIUOIJwj7QcWEhL4Xan3ZvPfTe0Lv PmZG+P3RaNeuo36CmRJQWZ2Mqln3zbsbbGncrV5GQw4B6b0N1EY9F07vslvh6AiGwPqj 0mJA== X-Gm-Message-State: AJIora8vb9sswEWEmY8oUoIYOgF4FBCr3mvTOcJCXZ8Uv9TqxNO3Ilj4 sG6yP0orWNs0uFYM10lu53Y= X-Google-Smtp-Source: AGRyM1vCLnpaxRkOkmGAaj5Gy/KHt7mi0Q8MAJNokH4bRQpyU8kddgCKya3XL7eTcmHXXFWfReqHnA== X-Received: by 2002:a05:620a:4090:b0:6b6:14ec:b6c6 with SMTP id f16-20020a05620a409000b006b614ecb6c6mr1897228qko.733.1658335770556; Wed, 20 Jul 2022 09:49:30 -0700 (PDT) Received: from localhost ([2601:4c1:c100:1230:8a38:8fe4:50f8:8b83]) by smtp.gmail.com with ESMTPSA id r11-20020ac8794b000000b0031ee918e9f9sm7579839qtt.39.2022.07.20.09.49.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 09:49:30 -0700 (PDT) Date: Wed, 20 Jul 2022 09:49:30 -0700 From: Yury Norov To: Andy Shevchenko Cc: linux-kernel@vger.kernel.org, Alexander Lobakin , Alexei Starovoitov , Alexey Klimov , Andrew Morton , Andrii Nakryiko , Ben Segall , Christoph Lameter , Dan Williams , Daniel Borkmann , Daniel Bristot de Oliveira , Dennis Zhou , Dietmar Eggemann , Eric Dumazet , Frederic Weisbecker , Guenter Roeck , Ingo Molnar , Isabella Basso , John Fastabend , Josh Poimboeuf , Juergen Gross , Juri Lelli , KP Singh , Kees Cook , Martin KaFai Lau , Mel Gorman , Miroslav Benes , Nathan Chancellor , "Paul E . McKenney" , Peter Zijlstra , Randy Dunlap , Rasmus Villemoes , Sebastian Andrzej Siewior , Song Liu , Steven Rostedt , Tejun Heo , Thomas Gleixner , Valentin Schneider , Vincent Guittot , Vlastimil Babka , Yonghong Song , linux-mm@kvack.org, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: Re: [PATCH 16/16] lib: create CONFIG_DEBUG_BITMAP parameter Message-ID: References: <20220718192844.1805158-1-yury.norov@gmail.com> <20220718192844.1805158-17-yury.norov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1658335771; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=IdX8x8KuGDrmo8OdGWM+s2IhO+yiRKLdL7Zo2PMSFN4=; b=orl1kcJ7DuXMbG0DhQwQBBifueSflcSeycAkHtGywvf/4T64qqUkDPn8H9EFj98b9FJoMT KWOJBN/RtCfRUX2rO9R8WAvHRvGh5C7wFirkzlDcRqYrfHjOVAOfRieyjRYouVdjnPzTbe V7s9DAcx/hDOclWuifwK8NwxrzkknrI= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1658335771; a=rsa-sha256; cv=none; b=MYkDpbwz81uEXZDXK74l9djEm/2GlVM0SIe7wTBrvugZG4xYPuJ3OYEhRZdc3ARQ1YnvbW 01uBcRXXz4XhnPhN/OFNe1Y9mrNXV2bK0InGnR+NTQRcKNEEXH7WtLKqWVXIaiUB1fUBeu phws2pxXl/g7X0/yDZvEpZpWF/XmtM0= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=fA5ACjYe; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf26.hostedemail.com: domain of yury.norov@gmail.com designates 209.85.222.176 as permitted sender) smtp.mailfrom=yury.norov@gmail.com X-Rspamd-Queue-Id: 57F2C14008B Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=fA5ACjYe; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf26.hostedemail.com: domain of yury.norov@gmail.com designates 209.85.222.176 as permitted sender) smtp.mailfrom=yury.norov@gmail.com X-Rspamd-Server: rspam12 X-Rspam-User: X-Stat-Signature: deruujqgyqf9af6j9roeyst7zkox64a6 X-HE-Tag: 1658335771-826157 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 Tue, Jul 19, 2022 at 12:39:02AM +0300, Andy Shevchenko wrote: > On Mon, Jul 18, 2022 at 12:28:44PM -0700, Yury Norov wrote: > > Create CONFIG_DEBUG_BITMAP parameter to let people use > > new option. Default is N. > > Even if a separate, it should follow immediately the implementation. If it follows the 1st patch immediately, and becomes enabled, it will generate a lot of noise for those who bisect and occasionally jumps into a mid of the series. There are quite a lot of patchsets that create a feature in many patches, and explicitly enable it in the very last patch.