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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g12-20020a50ee0c000000b0041d1a0fe71esi858685eds.568.2022.04.12.21.39.44; Tue, 12 Apr 2022 21:40:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=VUcnPMhe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230212AbiDMCu2 (ORCPT + 99 others); Tue, 12 Apr 2022 22:50:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229847AbiDMCuZ (ORCPT ); Tue, 12 Apr 2022 22:50:25 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C404849F3C for ; Tue, 12 Apr 2022 19:48:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649818084; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=HL4I/kbAi4EMYznQst2SX99qMFId0RHWKlLCdi0UXhg=; b=VUcnPMhey8K/t+VwbhF/6deXa6Wi7G4N0kkCZcXAlFKMZkhwboOF0YeQMCQBoRgJ28i2c3 JmCV5j+JqdKI8ILyuDa5O9NWU6Ca+Fb8uxpNHCM/OhHqddG9+YopAMUl+Dx83ULVW2lRwK XoE8Q2oD1HBFAvpXmyJ/cFUeEL/VuzM= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-562-QIkJcyNEMZaTlr0_V49QTQ-1; Tue, 12 Apr 2022 22:48:00 -0400 X-MC-Unique: QIkJcyNEMZaTlr0_V49QTQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C77D3101AA44; Wed, 13 Apr 2022 02:47:59 +0000 (UTC) Received: from localhost (ovpn-12-51.pek2.redhat.com [10.72.12.51]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C8B0A2024CBC; Wed, 13 Apr 2022 02:47:52 +0000 (UTC) Date: Wed, 13 Apr 2022 10:47:49 +0800 From: Baoquan He To: Andrew Morton Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, dyoung@redhat.com, linux-mm@kvack.org Subject: Re: [PATCH v2 0/2] x86/kexec: fix memory leak of elf header buffer Message-ID: References: <20220223113225.63106-1-bhe@redhat.com> <20220412192734.fcda8988d189c8e2e2830b03@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220412192734.fcda8988d189c8e2e2830b03@linux-foundation.org> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/12/22 at 07:27pm, Andrew Morton wrote: > On Thu, 31 Mar 2022 19:32:17 +0800 Baoquan He wrote: > > > Hi Andrew, > > > > On 02/23/22 at 07:32pm, Baoquan He wrote: > > > The memory leak is reported by kmemleak detector, has been existing > > > for very long time. It casue much memory loss on large machine > > > with huge memory hotplug which will trigger kdump kernel reloading > > > many times, with kexec_file_load interface. > > > > Could you merge these two patches? Or should I ping x86 maintainers to > > take them? > > Ah, sorry, I tend to fall asleep if there's "x86" in the subject. > Poking a sleeping Andrew is always the right thing to do. Shall look > at them. Thanks, Andrew. Since it's also MM related, so ping you and x86 maintainers to see who can help pick them.