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=-10.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 14681C43216 for ; Fri, 30 Jul 2021 10:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC51960524 for ; Fri, 30 Jul 2021 10:47:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238553AbhG3Krs (ORCPT ); Fri, 30 Jul 2021 06:47:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238487AbhG3Krr (ORCPT ); Fri, 30 Jul 2021 06:47:47 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0633C0613CF; Fri, 30 Jul 2021 03:47:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; 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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=WD2Ag4JED4QIsvoIQN/gUdEl19MyG+gX26ckt/2TnRM=; b=wNjsq2UUJjLuncBCL1YsnTrm0 YXYmurFWsXKUm2L2J6I/ypUlXwg6ahaMW1adauhejdybPNoV1znnmnxnBQE7zBZc3hiHNA70er0TI QnYpssBHkV8KBet2y5hmFMhE39l0DvuwgvbgZ0fqc5k0GCfAVD82AU47p5lagEFMKX6EwrPmcUuQf 0RzJNbNT94GC9OKKBbbhwI8Po+HCAFRODBNYzP5zCse901ce9un9gcI6vTyY548AnZny/xjNRDv6s Lb108Ee4PLeZUMVJX0zUdAchyPz3c4fqfDYw0Cckeo3R8jGRFEZmHnrutm/pKoieeyzfQfhmhr16V 0fey8HIUw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:46754) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m9Q2U-0002GT-LV; Fri, 30 Jul 2021 11:46:50 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1m9Q2N-0008Nd-T1; Fri, 30 Jul 2021 11:46:43 +0100 Date: Fri, 30 Jul 2021 11:46:43 +0100 From: "Russell King (Oracle)" To: Mike Rapoport Cc: Andrew Morton , Albert Ou , Andy Lutomirski , Borislav Petkov , Catalin Marinas , Christian Borntraeger , Dave Hansen , Frank Rowand , Greg Kroah-Hartman , "H. Peter Anvin" , Heiko Carstens , Ingo Molnar , "Kirill A. Shutemov" , Len Brown , Marc Zyngier , Mike Rapoport , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , "Rafael J. Wysocki" , Rob Herring , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , devicetree@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.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, x86@kernel.org Subject: Re: [PATCH] memblock: make memblock_find_in_range method private Message-ID: <20210730104643.GG22278@shell.armlinux.org.uk> References: <20210730104039.7047-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210730104039.7047-1-rppt@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: Russell King (Oracle) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 30, 2021 at 01:40:39PM +0300, Mike Rapoport wrote: > diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c > index f97eb2371672..1f8ef9fd5215 100644 > --- a/arch/arm/kernel/setup.c > +++ b/arch/arm/kernel/setup.c > @@ -1012,31 +1012,25 @@ static void __init reserve_crashkernel(void) > unsigned long long lowmem_max = __pa(high_memory - 1) + 1; > if (crash_max > lowmem_max) > crash_max = lowmem_max; > - crash_base = memblock_find_in_range(CRASH_ALIGN, crash_max, > - crash_size, CRASH_ALIGN); > + > + crash_base = memblock_phys_alloc_range(crash_size, CRASH_ALIGN, > + CRASH_ALIGN, crash_max); > if (!crash_base) { > pr_err("crashkernel reservation failed - No suitable area found.\n"); > return; > } > } else { > + unsigned long long crash_max = crash_base + crash_size; > unsigned long long start; > > - start = memblock_find_in_range(crash_base, > - crash_base + crash_size, > - crash_size, SECTION_SIZE); > + start = memblock_phys_alloc_range(crash_size, SECTION_SIZE, > + crash_base, crash_max); > if (start != crash_base) { > - pr_err("crashkernel reservation failed - memory is in use.\n"); > + pr_err("crashkernel reservation failed - No suitable area found.\n"); This change to the error message is incorrect. In this code block, we are trying to get the exact specified memory block - it is not about there being "no suitable area" - the requested memory block is not available. So, the original message carries the exact correct meaning. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!