Received: by 2002:a05:6358:a55:b0:ec:fcf4:3ecf with SMTP id 21csp5482345rwb; Tue, 17 Jan 2023 14:33:34 -0800 (PST) X-Google-Smtp-Source: AMrXdXv3aDZzbONEsVwiR2fv1GJC2iIX5sxrcDDOugkPTVuodU/XkQFC9vR2AGRwBj4kPJYMBYdh X-Received: by 2002:a17:902:d582:b0:194:8b08:a571 with SMTP id k2-20020a170902d58200b001948b08a571mr5148117plh.2.1673994814418; Tue, 17 Jan 2023 14:33:34 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1673994814; cv=none; d=google.com; s=arc-20160816; b=qGT/koAdjQzKduOQYIiUCML4yLxnd3YNeKyI/il8kZOy+UHo+KBPUXyL1e7E53+dZ9 EsyRQuW47tRYTmG/4tOQ4U9N8IFpDHHmS3DioIK+w7T4QIrGGyiocgKj5TLC8l8GYM2D WPWPFHGp+ZIwIlOjAoGu5jrU5eMdOrDzxAAJn5wrJY8/Q0hY61OWrwNu9phhbkxZ8ZHZ p07Ws3j52Ft8yKoDd93RKd8a8W3KArgLhI6iKsHFJttuASJpTZjJp0hTPbhnxC/hEslT uEKyfMrSaWxrFztYwW22ofTNMhRqgKw+CnQJRyj8Oh6naIQQTWU9N33VbX1i547XMPFN SLbQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=qdhWC+mZkHUdmYtIEDejSN8DW5n896XxUL824F8ocmw=; b=RXHPsRGgH/UoAE8poIRAYVaP8J5TsffVsdj0Iw5GBStduiG4I5XV2g2HxmH7zicNvz jVUIXaC72+zQVdgTUCN0hvzFW43jIBeAVdiwgG3vMc5dzuELp53tyU0d+4lzaoq65IQd bDMxGRBrMh3dl3aDVSEMJYkF4NazwKr7r/kAXmWK50l7meNycS7L2KBHW5oNCA70hu5i NYZ2HikGl8FCdeu6uPrEgOiKMDz+NO2k1+B1tnsQbrkJjuMasWUuX0v7FF+XKCrN5cux +nOSuD9lqhurmttR729D8wlM4u1AililMQ3H02rPUtfAYydKXKrT/79yDZzSPx4o/UMa WFzw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@soleen.com header.s=google header.b=ds7KCsEx; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h14-20020a170902f54e00b001899515b268si8123768plf.433.2023.01.17.14.33.28; Tue, 17 Jan 2023 14:33:34 -0800 (PST) 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=@soleen.com header.s=google header.b=ds7KCsEx; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229779AbjAQVms (ORCPT + 48 others); Tue, 17 Jan 2023 16:42:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229667AbjAQVj1 (ORCPT ); Tue, 17 Jan 2023 16:39:27 -0500 Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15E7E10EE for ; Tue, 17 Jan 2023 12:06:04 -0800 (PST) Received: by mail-qk1-x72e.google.com with SMTP id i28so3059725qkl.6 for ; Tue, 17 Jan 2023 12:06:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=qdhWC+mZkHUdmYtIEDejSN8DW5n896XxUL824F8ocmw=; b=ds7KCsExZ/LGQIhY7yh5UxGzmFzcdD5dExyuDTBrB9LhPgt9mqvonw+9PcL3JLFRH5 E3qVn5mIKnVKIMDCVFD38VCZrkjBM9HK44Bcyo/iLlaYOm+QUJaI7BN2RQewoz8DKALZ QGgj705ozH/0v+JSNFWyFP1/od4y726V9S+ELWArR7WnU+gp8BFd5vhaBY8oSfPYnPv0 dJ0KSixhVIluUC3lgNMCN3gKzWOFwHHwIKT3pT44SDOCnCCjamAkXq2hUJrRsH4dXmRY kof6JdGo/b0L+/6gzpGjHnwfntVgUw8MniwVEQPrS68JAcKjQa7R4sqt2Jzp7PJdZPO+ Oh/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qdhWC+mZkHUdmYtIEDejSN8DW5n896XxUL824F8ocmw=; b=twjn5IPFTiTCGu1qR/rUjdoFXRXGknV4S7GXvKX9IuI8VsiuQy/X7Doigr/3TNr+Ri fbp52qbdFZzag31vGD9trtJFUQJ0em9EWaG/zFNQ3itJPq4E0tddjKco9vetM+MMsiSq gfMMwdWcc8kuaq/lTXbDqFnEiYFDy2aneqqXk+Q4a8puWucuC6AvIuV51BRbmJ/ZxidX P58roj1e1NNgEc6+ixX6lv6j6En6QwR9RDiPfgtyyjNFrYXOvGvaauM254MjQW6Hyktw EohTqwj0J0H4c0zZcVwyZHzvmoMQdgEXeJLnLjKdmqA7SfPCVS77ERG6jpbmxqqUp8gy l9/g== X-Gm-Message-State: AFqh2kppHCwFIjQ3Gvfckm42hWVrT3DzS0te0PDwmd8Dut60XU9zKRN1 49QJBHu22i/Gskmjf14qNSUVYgeHOJjgLh0rc3JDh9F/dZFCy7OJ X-Received: by 2002:a05:620a:b15:b0:706:16ea:101d with SMTP id t21-20020a05620a0b1500b0070616ea101dmr234555qkg.105.1673985962839; Tue, 17 Jan 2023 12:06:02 -0800 (PST) MIME-Version: 1.0 References: <20230113154253.92480-1-pasha.tatashin@soleen.com> <0c706897-b2cc-714c-c72e-4154b1f3f52b@suse.cz> <916aedc8-1d0b-a0f9-5ddf-6c6305e7cbdb@redhat.com> In-Reply-To: <916aedc8-1d0b-a0f9-5ddf-6c6305e7cbdb@redhat.com> From: Pasha Tatashin Date: Tue, 17 Jan 2023 15:05:27 -0500 Message-ID: Subject: Re: [PATCH v3] mm/page_ext: Do not allocate space for page_ext->flags if not needed To: David Hildenbrand Cc: Vlastimil Babka , akpm@linux-foundation.org, mhocko@suse.com, quic_charante@quicinc.com, lizhe.67@bytedance.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 > >> Signed-off-by: Pasha Tatashin > > > > Acked-by: Vlastimil Babka > > > > Mike's comments look reasonable to me. > > Seconded > > Acked-by: David Hildenbrand Thank you Vlastimil and David. Pasha > > -- > Thanks, > > David / dhildenb >