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=-5.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, FROM_LOCAL_NOVOWEL,HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 B99B0C433E8 for ; Tue, 28 Jul 2020 08:09:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7E49B22B47 for ; Tue, 28 Jul 2020 08:09:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bNG6JL/O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E49B22B47 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E61CB6B000C; Tue, 28 Jul 2020 04:09:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DEB566B000D; Tue, 28 Jul 2020 04:09:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C8B876B000E; Tue, 28 Jul 2020 04:09:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0245.hostedemail.com [216.40.44.245]) by kanga.kvack.org (Postfix) with ESMTP id B031F6B000C for ; Tue, 28 Jul 2020 04:09:58 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 6AC333623 for ; Tue, 28 Jul 2020 08:09:58 +0000 (UTC) X-FDA: 77086761276.02.bag70_4a02b1226f68 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id 3E09810097AA3 for ; Tue, 28 Jul 2020 08:09:58 +0000 (UTC) X-HE-Tag: bag70_4a02b1226f68 X-Filterd-Recvd-Size: 4978 Received: from mail-pj1-f65.google.com (mail-pj1-f65.google.com [209.85.216.65]) by imf30.hostedemail.com (Postfix) with ESMTP for ; Tue, 28 Jul 2020 08:09:57 +0000 (UTC) Received: by mail-pj1-f65.google.com with SMTP id t15so11054598pjq.5 for ; Tue, 28 Jul 2020 01:09:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mO4UW6jhce2IwLYWJIjyNoNVa+Gr5PBQ2rV1LkhhIeA=; b=bNG6JL/O5TVQki3sHfHEOfTczEIMUXR0OLqZGWSVnVXN0YvSLXQj4R1CZin1hIrLmj rDRSSHKktD8YAK18dQ3Ix7Lo07yJ8erIxBxxxxqVLyUXKDeyjbkBvyU6KTuEXDNL+VQr 1QQzuFpqB0CYmf+5pX3A4eJDz9R/FeezQPycBuGnXY4EFLSYZVijwWE1t6E2M5B99qAH FniHRX5RxN1gZw65OKCdqnG/UzIrS3ICQ278hYR6IoGyzyd6ykow+PajTtCN7ldzFD83 Hcz6o03i9dPHjv0yz+B7ucVCSupfsp/DKM7XkQQq14g4beE60uqTFBLLU79wWmkWweg4 xE4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mO4UW6jhce2IwLYWJIjyNoNVa+Gr5PBQ2rV1LkhhIeA=; b=edidT9Kjdb1pmiUK9TczTjBHCi5aVtQwmGRzvYdXGomIz7Ftt6b6c2Nah1YxIr3iUv Ix8b+sVH2qvGbuD9LJxm5frSd6xYxyzKhyYgOEUsjUU7yg07caKIMwDhGgf6rE3FB3ko fIjoLgv6+/z6v0ajFjfo1EcrPDDi8X+KGB99UVGkqtKTOivi4iL/+e8wbFNsL3032eQn Mf/47ngzm2b5auNM2Zgd4eATvstSSVFPUcL7s6wkOiHIe6KXM6+4I7Esf1TkE9r9Dv5U AbtJskEAY9z/9BSMqM/dN3cXb/Wc/c6QZ1PyUwmdv9x6E14EwvcdOX7dCUwJ0IyeUflm s/Lg== X-Gm-Message-State: AOAM530YaMFe5RdtL27pR4m8RLPLYhKv6+SBjgQ7fOtT0Z6f8QgcSdrs +qt9GSZzTPXSnS25D8v7EPZE9pDAtYAOoGs4fuE= X-Google-Smtp-Source: ABdhPJwl2tr9ClL3asn7D0daWCLxpbWcicGBHl3RglmUadciWpYNtKvtb4F0xzOXS215QqSA9z2se3QNEhc8iGYlMEA= X-Received: by 2002:a17:90a:8918:: with SMTP id u24mr3082134pjn.7.1595923796912; Tue, 28 Jul 2020 01:09:56 -0700 (PDT) MIME-Version: 1.0 References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-4-rppt@kernel.org> In-Reply-To: <20200728051153.1590-4-rppt@kernel.org> From: Max Filippov Date: Tue, 28 Jul 2020 01:09:45 -0700 Message-ID: Subject: Re: [PATCH 03/15] arm, xtensa: simplify initialization of high memory pages To: Mike Rapoport Cc: Andrew Morton , Andy Lutomirski , Benjamin Herrenschmidt , Borislav Petkov , Catalin Marinas , Christoph Hellwig , Dave Hansen , Ingo Molnar , Marek Szyprowski , Michael Ellerman , Michal Simek , Mike Rapoport , Palmer Dabbelt , Paul Mackerras , Paul Walmsley , Peter Zijlstra , Russell King , Stafford Horne , Thomas Gleixner , Will Deacon , Yoshinori Sato , clang-built-linux@googlegroups.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, LKML , linux-mips@vger.kernel.org, Linux Memory Management List , linux-riscv@lists.infradead.org, linux-s390 , "open list:SUPERH" , "open list:TENSILICA XTENSA PORT (xtensa)" , linuxppc-dev@lists.ozlabs.org, openrisc@lists.librecores.org, "open list:SPARC + UltraSPAR..." , "moderated list:H8/300 ARCHITECTURE" , "maintainer:X86 ARCHITECTURE..." Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 3E09810097AA3 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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, Jul 27, 2020 at 10:12 PM Mike Rapoport wrote: > > From: Mike Rapoport > > The function free_highpages() in both arm and xtensa essentially open-code > for_each_free_mem_range() loop to detect high memory pages that were not > reserved and that should be initialized and passed to the buddy allocator. > > Replace open-coded implementation of for_each_free_mem_range() with usage > of memblock API to simplify the code. > > Signed-off-by: Mike Rapoport > --- > arch/arm/mm/init.c | 48 +++++++------------------------------ > arch/xtensa/mm/init.c | 55 ++++++++----------------------------------- > 2 files changed, 18 insertions(+), 85 deletions(-) For the xtensa part: Reviewed-by: Max Filippov Tested-by: Max Filippov -- Thanks. -- Max