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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 59129C4332F for ; Tue, 15 Nov 2022 13:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:CC:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=evi07udf5nwQ+MtUXKy+Uy+P6m8QYhKpxZNmja/tcEE=; b=reRQGMr5eJIHtQz11Dp7U3C2iF CKgoOtD7rzZtJ8u+ad+O8UzwwBid3I9Q47FdTZLpD47ipsreTq7XxRlKuX087MwpCJmFDb0sZ95TH RRVFGBrjETxYDDvKAjpuqv4sbkr/AUhRqnev38PSL2pmYTtob6waZFQJJEg4HHqFYLrFRhz9kUqjh JV2HiFHM2TA98Df7jQP/wms/u4aZ6zViSYnSJu7FptMZ2KEsoxOuq4ajq1gjspe+4LucaN8gE8RSm TCHUTuTdgrYn20biaOnFCZI8X/Li9Eq/dOzmOOIgxVLjdvF3OjeM3iJwfv0phrwGQOMIEv2+7fCyP DzhnEjVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouwBw-00BWcc-4g; Tue, 15 Nov 2022 13:41:32 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouwBL-00BWQb-B4; Tue, 15 Nov 2022 13:40:57 +0000 Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4NBS406tV1zRpHQ; Tue, 15 Nov 2022 21:40:32 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 15 Nov 2022 21:40:51 +0800 Received: from [10.174.178.55] (10.174.178.55) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 15 Nov 2022 21:40:50 +0800 Subject: Re: [PATCH v3 0/2] arm64: kdump: Function supplement and performance optimization To: Catalin Marinas CC: Will Deacon , Dave Young , Baoquan He , Vivek Goyal , , , , Jonathan Corbet , , "Eric W . Biederman" , Randy Dunlap , Feng Zhou , Kefeng Wang , Chen Zhou , John Donnelly , "Dave Kleikamp" References: <20220711090319.1604-1-thunder.leizhen@huawei.com> <20221115115837.GE32523@willie-the-truck> <6c1751be-9957-0765-5e68-2eb78adc9a94@huawei.com> From: "Leizhen (ThunderTown)" Message-ID: <39839221-8567-39ad-dade-8d1500df2e8b@huawei.com> Date: Tue, 15 Nov 2022 21:40:49 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221115_054055_584812_BEBBD526 X-CRM114-Status: GOOD ( 10.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 2022/11/15 21:30, Catalin Marinas wrote: > On Tue, Nov 15, 2022 at 08:18:21PM +0800, Leizhen (ThunderTown) wrote: >> On 2022/11/15 19:58, Will Deacon wrote: >>> On Mon, Jul 11, 2022 at 05:03:17PM +0800, Zhen Lei wrote: >>>> v2 --> v3: >>>> 1. Discard patch 3 in v2, a cleanup patch. >>> >>> Do you plan to respin this series, addressing the various comments on v3? >> >> Yes, I haven't figured out where to make DEFAULT_CRASH_KERNEL_LOW_SIZE generic. > > Do we need to? I'd just go with something like 128MB, specific to arm64, > and we can increase it later if anyone comes up with a good argument. Okay, then v3's easy. I'll do it tomorrow. I've tried it before. 128M is enough. > -- Regards, Zhen Lei _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel