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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 31BBAC43461 for ; Mon, 7 Sep 2020 17:22:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EECF620658 for ; Mon, 7 Sep 2020 17:22:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731078AbgIGRWL (ORCPT ); Mon, 7 Sep 2020 13:22:11 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:11235 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729672AbgIGNrh (ORCPT ); Mon, 7 Sep 2020 09:47:37 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D32748782238C40747B5; Mon, 7 Sep 2020 21:46:58 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Mon, 7 Sep 2020 21:46:48 +0800 From: Chen Zhou To: , , , , , , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v12 2/9] x86: kdump: make the lower bound of crash kernel reservation consistent Date: Mon, 7 Sep 2020 21:47:38 +0800 Message-ID: <20200907134745.25732-3-chenzhou10@huawei.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200907134745.25732-1-chenzhou10@huawei.com> References: <20200907134745.25732-1-chenzhou10@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The lower bounds of crash kernel reservation and crash kernel low reservation are different, use the consistent value CRASH_ALIGN. Suggested-by: Dave Young Signed-off-by: Chen Zhou --- arch/x86/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 296294ad0dd8..d7fd90c52dae 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -451,7 +451,7 @@ static int __init reserve_crashkernel_low(void) return 0; } - low_base = memblock_find_in_range(0, 1ULL << 32, low_size, CRASH_ALIGN); + low_base = memblock_find_in_range(CRASH_ALIGN, 1ULL << 32, low_size, CRASH_ALIGN); if (!low_base) { pr_err("Cannot reserve %ldMB crashkernel low memory, please try smaller size.\n", (unsigned long)(low_size >> 20)); -- 2.20.1