From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id E1BCCC433FE
	for <linux-kernel@archiver.kernel.org>; Wed, 16 Nov 2022 15:10:06 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S231479AbiKPPKF (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 16 Nov 2022 10:10:05 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59542 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S229463AbiKPPKB (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 16 Nov 2022 10:10:01 -0500
Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A9FB271D;
        Wed, 16 Nov 2022 07:10:00 -0800 (PST)
Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140])
        (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
        (No client certificate requested)
        by dfw.source.kernel.org (Postfix) with ESMTPS id 8700461E76;
        Wed, 16 Nov 2022 15:10:00 +0000 (UTC)
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23DE5C433C1;
        Wed, 16 Nov 2022 15:09:55 +0000 (UTC)
Date:   Wed, 16 Nov 2022 15:09:51 +0000
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Zhen Lei <thunder.leizhen@huawei.com>
Cc:     Dave Young <dyoung@redhat.com>, Baoquan He <bhe@redhat.com>,
        Vivek Goyal <vgoyal@redhat.com>, kexec@lists.infradead.org,
        linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
        linux-arm-kernel@lists.infradead.org,
        Jonathan Corbet <corbet@lwn.net>, linux-doc@vger.kernel.org,
        "Eric W . Biederman" <ebiederm@xmission.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Feng Zhou <zhoufeng.zf@bytedance.com>,
        Kefeng Wang <wangkefeng.wang@huawei.com>,
        Chen Zhou <dingguo.cz@antgroup.com>,
        John Donnelly <John.p.donnelly@oracle.com>,
        Dave Kleikamp <dave.kleikamp@oracle.com>
Subject: Re: [PATCH v4 1/2] arm64: kdump: Provide default size when
 crashkernel=Y,low is not specified
Message-ID: <Y3T9P7q8JgVV6Shq@arm.com>
References: <20221116121044.1690-1-thunder.leizhen@huawei.com>
 <20221116121044.1690-2-thunder.leizhen@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20221116121044.1690-2-thunder.leizhen@huawei.com>
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Nov 16, 2022 at 08:10:43PM +0800, Zhen Lei wrote:
> Try to allocate at least 128 MiB low memory automatically for the case
> that crashkernel=,high is explicitly specified, while crashkenrel=,low
> is omitted. This allows users to focus more on the high memory
> requirements of their business rather than the low memory requirements
> of the crash kernel booting.
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
> Acked-by: Baoquan He <bhe@redhat.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>