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 3FFEBC4332F for ; Mon, 16 May 2022 18:46:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9CC8E6B0072; Mon, 16 May 2022 14:46:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 97B246B0074; Mon, 16 May 2022 14:46:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 843A46B0075; Mon, 16 May 2022 14:46:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 769226B0072 for ; Mon, 16 May 2022 14:46:24 -0400 (EDT) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 576CF16B6 for ; Mon, 16 May 2022 18:46:24 +0000 (UTC) X-FDA: 79472486688.11.4190F03 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf19.hostedemail.com (Postfix) with ESMTP id 814D11A0098 for ; Mon, 16 May 2022 18:46:13 +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 C451E6147F; Mon, 16 May 2022 18:46:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD4B3C34100; Mon, 16 May 2022 18:46:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1652726782; bh=zlgnlRmELcGmau1Sw6c2tactNK7bon8HlHT8OKvR7YQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=pT4PQcxtU1HVE0MtlkahTiXT4h7nQk/MnEHZfu7aaNWJp3AM17pSC5PLJFBLotj2z 2JZxPFhpNlxQvsdPr79JUzMBAeYnwj4Oq7DZ6ESTBg4JiBSOnR3v+ImQMEpigZVOwF x1SQ3fAdO8mUWl/U0t2ySC0wYFrbB80D+IOMjbFU= Date: Mon, 16 May 2022 11:46:20 -0700 From: Andrew Morton To: Muchun Song Cc: corbet@lwn.net, mike.kravetz@oracle.com, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, osalvador@suse.de, david@redhat.com, masahiroy@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, duanxiongchun@bytedance.com, smuchun@gmail.com Subject: Re: [PATCH v12 0/7] add hugetlb_optimize_vmemmap sysctl Message-Id: <20220516114620.d4d85cb35690b4c8265953d6@linux-foundation.org> In-Reply-To: <20220516102211.41557-1-songmuchun@bytedance.com> References: <20220516102211.41557-1-songmuchun@bytedance.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=pT4PQcxt; dmarc=none; spf=pass (imf19.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 814D11A0098 X-Rspam-User: X-Stat-Signature: beaiszkds4xn39wz6319jijzcokambt8 X-HE-Tag: 1652726773-77294 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 16 May 2022 18:22:04 +0800 Muchun Song wrote: > This series amis to add hugetlb_optimize_vmemmap sysctl to enable or disable > the feature of optimizing vmemmap pages associated with HugeTLB pages. > > v12: > - Add patch 3 and patch 4 to handle the coexistence of hugetlb_free_vmemmap > and memory_hotplug.memmap_on_memory (David). > - Remove Reviewed-by from Mike in the last parch since it is changed. v11 is in mm-stable now, so please send patches against that. AFAICT that will be quite straightforward.