From patchwork Wed Apr 29 12:11:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11516869 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 135B81392 for ; Wed, 29 Apr 2020 12:16:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 DBF5521BE5 for ; Wed, 29 Apr 2020 12:16:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lUu3FbPq"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="WoeR0IMj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBF5521BE5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hbk7/hzpG5afATkzOcU5bw28WrDjBkFAS/aygYpRebs=; b=lUu3FbPqwbL1vU HaxoOKNHIN8G+0w3ASuXQFVjmUhZugnEvxz75+ynpJVzN/UluxFKbGAx6aWdNucaRKqeGSLKGFN+Z 5Lhy8m1IW75WevYnUSbQjK585ehE9weJlJZ+1XS8g/6VjoDkmwvDSlPs+O4D8uVRhTzBraCKjJJXl 1SGunCvD6r05XIr6Mpit1INMjMBw+Of/Ju5PsOu3yvXpIdzcWHGaJCLscVlNeWbQpJ9dy15K0J7ij e2XSQErfk99CKW095SoGcWyQgBJOj+WHTeJjQLUMZvB7lfT/YekqQ8CwcUsbjnskN/OCf8PAE/1y7 LJgpVUoxqDbUsftqwymQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTldw-0004R4-Bd; Wed, 29 Apr 2020 12:16:48 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTldt-0004Pj-8z; Wed, 29 Apr 2020 12:16:46 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 72BB621D7B; Wed, 29 Apr 2020 12:16:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588162604; bh=vSBPyOKwrmQNqt7kyNkBHr9JqpNBLG1f44P+yYUwAD0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WoeR0IMjhESnMKZLgeFQpYaSM1Q0137VRdB9oM2DfU/SAAkdUyrTXqjy5uqkDMB4w A8OD0E3zWwQv5BZXvU0pC1x6W2MSkHROGVWsKhh68IOVd1n7tuhS5R+cHwtxzXCZoH XZaE67z9A52A2FknRpk/21Qqx9xMcUu4+BgH8q4Q= From: Mike Rapoport To: linux-kernel@vger.kernel.org Subject: [PATCH v2 20/20] docs/vm: update memory-models documentation Date: Wed, 29 Apr 2020 15:11:26 +0300 Message-Id: <20200429121126.17989-21-rppt@kernel.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200429121126.17989-1-rppt@kernel.org> References: <20200429121126.17989-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_051645_363861_6A10F7FD X-CRM114-Status: GOOD ( 11.23 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: Rich Felker , linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , Heiko Carstens , Michal Hocko , "James E.J. Bottomley" , Max Filippov , Guo Ren , linux-csky@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, Mike Rapoport , Greg Ungerer , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Baoquan He , Jonathan Corbet , linux-sh@vger.kernel.org, Michael Ellerman , Helge Deller , x86@kernel.org, Russell King , Ley Foon Tan , Yoshinori Sato , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org, Mark Salter , Matt Turner , linux-snps-arc@lists.infradead.org, uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, Tony Luck , Qian Cai , Greentime Hu , Paul Walmsley , Stafford Horne , Guan Xuetao , Hoan Tran , Michal Simek , Thomas Bogendoerfer , Brian Cain , Nick Hu , linux-mm@kvack.org, Vineet Gupta , linux-mips@vger.kernel.org, openrisc@lists.librecores.org, Richard Weinberger , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org From: Mike Rapoport to reflect the updates to free_area_init() family of functions. Signed-off-by: Mike Rapoport --- Documentation/vm/memory-model.rst | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst index 58a12376b7df..91228044ed16 100644 --- a/Documentation/vm/memory-model.rst +++ b/Documentation/vm/memory-model.rst @@ -46,11 +46,10 @@ maps the entire physical memory. For most architectures, the holes have entries in the `mem_map` array. The `struct page` objects corresponding to the holes are never fully initialized. -To allocate the `mem_map` array, architecture specific setup code -should call :c:func:`free_area_init_node` function or its convenience -wrapper :c:func:`free_area_init`. Yet, the mappings array is not -usable until the call to :c:func:`memblock_free_all` that hands all -the memory to the page allocator. +To allocate the `mem_map` array, architecture specific setup code should +call :c:func:`free_area_init` function. Yet, the mappings array is not +usable until the call to :c:func:`memblock_free_all` that hands all the +memory to the page allocator. If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option, it may free parts of the `mem_map` array that do not cover the