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=-8.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 31C98C433EA for ; Tue, 28 Jul 2020 06:38:00 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F115121744 for ; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F115121744 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id C81238761E; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OQoi9p5ZjQAs; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 2903A875E2; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0D520C004F; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4025FC004D for ; Tue, 28 Jul 2020 06:37:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 2C3F68654E for ; Tue, 28 Jul 2020 06:37:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id E7aW4s6CK2Po for ; Tue, 28 Jul 2020 06:37:56 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by fraxinus.osuosl.org (Postfix) with ESMTPS id CF87986591 for ; Tue, 28 Jul 2020 06:37:55 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id EF4D868B05; Tue, 28 Jul 2020 08:37:49 +0200 (CEST) Date: Tue, 28 Jul 2020 08:37:49 +0200 From: Christoph Hellwig To: Mike Rapoport Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-ID: <20200728063749.GA21221@lst.de> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-8.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 1D8A4C433E4 for ; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0184721744 for ; Tue, 28 Jul 2020 06:37:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726994AbgG1Gh4 (ORCPT ); Tue, 28 Jul 2020 02:37:56 -0400 Received: from verein.lst.de ([213.95.11.211]:46850 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726790AbgG1Gh4 (ORCPT ); Tue, 28 Jul 2020 02:37:56 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id EF4D868B05; Tue, 28 Jul 2020 08:37:49 +0200 (CEST) Date: Tue, 28 Jul 2020 08:37:49 +0200 From: Christoph Hellwig To: Mike Rapoport Cc: Andrew Morton , Andy Lutomirski , Benjamin Herrenschmidt , Borislav Petkov , Catalin Marinas , Christoph Hellwig , Dave Hansen , Ingo Molnar , Marek Szyprowski , Max Filippov , 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, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, x86@kernel.org Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-ID: <20200728063749.GA21221@lst.de> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig 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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 68822C433E1 for ; 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bh=DDLvMHnzwCxT4rd50QD6XF1HJbEA5+4gMmSit7P1sgs=; b=nHfUWKsZgZWmwzOJDjVxYilZu 4l8bZ5QVzBe2/KpHHkJfATVgEK7O+u8i6l4U2QvYWYRN9Het/MQH2JObaVefWA4tB+H++Me54fHMB RK0RXBKYUQipYFWAA5fjA2VfcxBWPmCUt6hdRQrU9ihAao2QrK+wSVHOPrYDqLifwDjZhVqs3H6lG l2SvPFyF1W2wxqxT/akgRQ8JQUsVCK3ZrZ3ZkNVw8W3qCeGcq1zORFgdXlMKFkEd62kRY7unEvx6U v7GF9gpIEi0qFtiSfZdhgcVi9gC9bpK7J/6jjMbQChSLsJGBRCTW1wKIgEzrTfkhEP0yHCf12nMJt 30jR5474w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0JFS-0000a5-7A; Tue, 28 Jul 2020 06:38:02 +0000 Received: from verein.lst.de ([213.95.11.211]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0JFL-0000Vv-EC; Tue, 28 Jul 2020 06:37:56 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id EF4D868B05; Tue, 28 Jul 2020 08:37:49 +0200 (CEST) Date: Tue, 28 Jul 2020 08:37:49 +0200 From: Christoph Hellwig To: Mike Rapoport Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-ID: <20200728063749.GA21221@lst.de> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200728_023755_611812_A8ACD172 X-CRM114-Status: GOOD ( 15.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Tue, 28 Jul 2020 06:37:49 +0000 Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-Id: <20200728063749.GA21221@lst.de> List-Id: References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mike Rapoport Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Tue, 28 Jul 2020 06:37:53 -0000 Subject: [OpenRISC] [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> Message-ID: <20200728063749.GA21221@lst.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig 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=-8.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0E6DBC433E4 for ; Tue, 28 Jul 2020 06:40:19 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 87E522065C for ; Tue, 28 Jul 2020 06:40:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87E522065C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4BG6Vm55zwzDqG6 for ; Tue, 28 Jul 2020 16:40:16 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4BG6S505NzzDr1X for ; Tue, 28 Jul 2020 16:37:56 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id EF4D868B05; Tue, 28 Jul 2020 08:37:49 +0200 (CEST) Date: Tue, 28 Jul 2020 08:37:49 +0200 From: Christoph Hellwig To: Mike Rapoport Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-ID: <20200728063749.GA21221@lst.de> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig 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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 C6AD7C433E8 for ; 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bh=BnTkeePvFBWUFhVhiJ4L4T0vA6XrfUAaSbYPL2oPHzo=; b=uPRJLUIV2VTq/daRAd2KcgDrW MgK8y7LwjqIbwucAYtyu3QntggqHpspLNM8JEbMBTO/5VXZlDFanqvbFjFfYW4eegItqSQQc2IBmK cVCEsEj/l69tGe/UahI+WWcgGIsUUxbAITmFZ56W2QiHGxu+pQgy0xbtOSyuECWxwkSWe0Gxoe4Sh aLFoxvLSnp8wahH4YuBBsGGqlk4XcM10an+WfcF/E9gnelf5mLsRz6n3wGEoryPXQWgiW6IvoMwbU a2M128dvLVDDJ5k9ZI2Q02h9M4xl29jbF3dxJaePKgSjxbGTij5eS/8VIz4UyIhBNw7cH2XfXQc6L Q13egdevA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0JFO-0000YK-MU; Tue, 28 Jul 2020 06:37:58 +0000 Received: from verein.lst.de ([213.95.11.211]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0JFL-0000Vv-EC; Tue, 28 Jul 2020 06:37:56 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id EF4D868B05; Tue, 28 Jul 2020 08:37:49 +0200 (CEST) Date: Tue, 28 Jul 2020 08:37:49 +0200 From: Christoph Hellwig To: Mike Rapoport Subject: Re: [PATCH 02/15] dma-contiguous: simplify cma_early_percent_memory() Message-ID: <20200728063749.GA21221@lst.de> References: <20200728051153.1590-1-rppt@kernel.org> <20200728051153.1590-3-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200728051153.1590-3-rppt@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200728_023755_611812_A8ACD172 X-CRM114-Status: GOOD ( 15.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Andrew Morton , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 28, 2020 at 08:11:40AM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > The memory size calculation in cma_early_percent_memory() traverses > memblock.memory rather than simply call memblock_phys_mem_size(). The > comment in that function suggests that at some point there should have been > call to memblock_analyze() before memblock_phys_mem_size() could be used. > As of now, there is no memblock_analyze() at all and > memblock_phys_mem_size() can be used as soon as cold-plug memory is > registerd with memblock. > > Replace loop over memblock.memory with a call to memblock_phys_mem_size(). > > Signed-off-by: Mike Rapoport Looks good: Reviewed-by: Christoph Hellwig _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel