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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 121A2C433F5 for ; Wed, 13 Apr 2022 02:27:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2BC6C6B0072; Tue, 12 Apr 2022 22:27:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 26C436B0073; Tue, 12 Apr 2022 22:27:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 133E36B0074; Tue, 12 Apr 2022 22:27:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0002.hostedemail.com [216.40.44.2]) by kanga.kvack.org (Postfix) with ESMTP id 00ABE6B0072 for ; Tue, 12 Apr 2022 22:27:37 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id A6E27183956F4 for ; Wed, 13 Apr 2022 02:27:37 +0000 (UTC) X-FDA: 79350269754.24.8F7AF6D Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf23.hostedemail.com (Postfix) with ESMTP id 3046E140006 for ; Wed, 13 Apr 2022 02:27:36 +0000 (UTC) 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 3E332618D9; Wed, 13 Apr 2022 02:27:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55381C385A1; Wed, 13 Apr 2022 02:27:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1649816855; bh=SHqh02ft77KfGvJSZLpsZAh7wp0kHXgjLIkp1pQYEFI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eaJ8xww8f0q5qGZAVjoTnMBbiJVk1fwtAEtK1ZRrcixBeYMNwJDdemtNdbcxFwEmz vOXJyih2SNULCgNREYAZLk3hou/0sajRHMmmuViCwlDwSTNGHTVeM06LHMkfj5miwE Viyzi6GkXA3a8BpaH+Hg7djhDBG0EbbW2ZgvTLos= Date: Tue, 12 Apr 2022 19:27:34 -0700 From: Andrew Morton To: Baoquan He 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: <20220412192734.fcda8988d189c8e2e2830b03@linux-foundation.org> In-Reply-To: References: <20220223113225.63106-1-bhe@redhat.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: pic85qgewnkeptrdq1iot191uxnk6xi9 Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=eaJ8xww8; spf=pass (imf23.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3046E140006 X-HE-Tag: 1649816856-266095 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.