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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i21-20020a1709064ed500b008e9c9794b5asi21580433ejv.573.2023.03.28.10.53.39; Tue, 28 Mar 2023 10:54:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=H4RJjAuN; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229665AbjC1Rqt (ORCPT + 99 others); Tue, 28 Mar 2023 13:46:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229521AbjC1Rqs (ORCPT ); Tue, 28 Mar 2023 13:46:48 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76C45D1; Tue, 28 Mar 2023 10:46:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Y9+w3S5J3Vw2FuGbI9EqpsTol39UocOltTUjYy56Ws4=; b=H4RJjAuNFBRkz6dH6ykqU0ih3r NQsUFwJozFJ1SE0+eYgfPSdIWrRdNZSw1w0jQ2D6YSBSQ5lB6BibYdrSonVIO6sBOU7vAZhZ2+JxZ Yqv2GfSj3MsuHi3kIyJOq1jOQeG1codlZUTC4wTbkof/pbBDsyKy5bdpS+Rbsppv/KlnlsblBCETg d3by0muu5JlA5BgXtSKEMJDu7XJgmkrFcCxr3Y2DI9A9IlYjrNNuO9RDLx+V9Tz6DA0mlRJiTx/HT D/yx0NZlaPGnISqiFVnl2qQunqS4WXNHEbGDzq6UUtZlMrHkSIAFbW5fjemrbafOppGey6U1fPLFZ Mf/VpBBA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1phDP6-00FMVR-1L; Tue, 28 Mar 2023 17:46:40 +0000 Date: Tue, 28 Mar 2023 10:46:40 -0700 From: Luis Chamberlain To: Vlastimil Babka Cc: ye.xingchen@zte.com.cn, keescook@chromium.org, yzaikin@google.com, akpm@linux-foundation.org, chi.minghao@zte.com.cn, linmiaohe@huawei.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH V8 1/2] mm: compaction: move compaction sysctl to its own file Message-ID: References: <202303281446280457758@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Luis Chamberlain X-Spam-Status: No, score=-2.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 28, 2023 at 10:56:52AM +0200, Vlastimil Babka wrote: > On 3/28/23 08:46, ye.xingchen@zte.com.cn wrote: > > From: Minghao Chi > > > > This moves all compaction sysctls to its own file. > > > > Move sysctl to where the functionality truly belongs to improve > > readability, reduce merge conflicts, and facilitate maintenance. > > > > I use x86_defconfig and linux-next-20230327 branch > > $ make defconfig;make all -jn > > CONFIG_COMPACTION=y > > > > add/remove: 1/0 grow/shrink: 1/1 up/down: 350/-256 (94) > > Function old new delta > > vm_compaction - 320 +320 > > kcompactd_init 180 210 +30 > > vm_table 2112 1856 -256 > > Total: Before=21119987, After=21120081, chg +0.00% > > > > Despite the addition of 94 bytes the patch still seems a worthwile > > cleanup. > > > > Link: https://lore.kernel.org/lkml/067f7347-ba10-5405-920c-0f5f985c84f4@suse.cz/ > > Signed-off-by: Minghao Chi > > Acked-by: Vlastimil Babka Thanks, queued up on sysctl-next. Luis