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 0B04EC28D13 for ; Mon, 22 Aug 2022 21:15:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 977058D0002; Mon, 22 Aug 2022 17:15:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 924D98D0001; Mon, 22 Aug 2022 17:15:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7EE8D8D0002; Mon, 22 Aug 2022 17:15:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 690F98D0001 for ; Mon, 22 Aug 2022 17:15:04 -0400 (EDT) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 50D6E402F7 for ; Mon, 22 Aug 2022 21:15:04 +0000 (UTC) X-FDA: 79828483728.08.BEDBE20 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf01.hostedemail.com (Postfix) with ESMTP id B178A4019A for ; Mon, 22 Aug 2022 21:13:11 +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 23E326068B; Mon, 22 Aug 2022 21:13:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D484C433D6; Mon, 22 Aug 2022 21:13:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661202790; bh=bNEV8Hgym2jaXgAqb4vRFEvYKaYv3kDdXR+qqOYIvjs=; h=Date:From:To:Subject:In-Reply-To:References:From; b=0SXV5O/53D9HVBCIfTKK7UIMlN1+4bjGmBla0l5GXqoD/aZnx3pvRH/Z0CZyG8mt/ JEfKKSu7WlXZS6A3IDPGgxSqHZHCky61e9QREg60OS8qECfjo/WacfqIzxeoNnLNrq 3l8Zho4T/ZDkvzI9sYvQLhANHkwRjlNysig+KUbs= Date: Mon, 22 Aug 2022 14:13:09 -0700 From: Andrew Morton To: Liu Shixin , Greg Kroah-Hartman , huang ying , Aaron Lu , Dave Hansen , "Michal Hocko" , Jesper Dangaard Brouer , Vlastimil Babka , Kemi Wang , "Kefeng Wang" , , Subject: Re: [PATCH -next v2] mm, proc: collect percpu free pages into the free pages Message-Id: <20220822141309.3b7382db0367b63b6cd72c14@linux-foundation.org> In-Reply-To: <20220822141207.24ff7252913a62f80ea55e90@linux-foundation.org> References: <20220822023311.909316-1-liushixin2@huawei.com> <20220822033354.952849-1-liushixin2@huawei.com> <20220822141207.24ff7252913a62f80ea55e90@linux-foundation.org> 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 ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="0SXV5O/5"; dmarc=none; spf=pass (imf01.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661202791; a=rsa-sha256; cv=none; b=QGKUubb0z8gmwnP+p6QP32DmtA6gQVHN0Rgf/zUzUJhwmZl0VZZPX1Fb46IGG7fm8o+zMY p5Av8rWlRg7oZBXrHe2YvMLSgi4Oz+fOEbLSTXsNH7FXwfeR7mRsMLl3hKdemGCkosobTi r+hu+8xokRV6rP1Mi5BEiWh7QVh86Oc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1661202791; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=bNEV8Hgym2jaXgAqb4vRFEvYKaYv3kDdXR+qqOYIvjs=; b=7XPWN3nzUamtyVgGJTpTnkIz3X2o/FfW70FopJxHuon+jIp+carOQxSxbk+3EImFVDGtQf 3ybBvDF542MMVS2a0adXAlWtotK+lj2HZ9vbmp0u+ZbOHSYQj7dJziibvWurgViJOMVp0z yqiUFfykjUY8f4T7QT0m2buKztbNTCs= X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="0SXV5O/5"; dmarc=none; spf=pass (imf01.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Stat-Signature: xfib9krqfqjid86gffgf58urtrg8reum X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: B178A4019A X-HE-Tag: 1661202791-925851 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, 22 Aug 2022 14:12:07 -0700 Andrew Morton wrote: > Prevention of races against zone/node hotplug? I meant "cpu/node", of course.