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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D159C433F5 for ; Mon, 18 Oct 2021 08:45:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2929760F9E for ; Mon, 18 Oct 2021 08:45:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2929760F9E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 96B296B006C; Mon, 18 Oct 2021 04:45:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 91ADA900002; Mon, 18 Oct 2021 04:45:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7E2C56B0072; Mon, 18 Oct 2021 04:45:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0150.hostedemail.com [216.40.44.150]) by kanga.kvack.org (Postfix) with ESMTP id 6D1816B006C for ; Mon, 18 Oct 2021 04:45:41 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 1A8262DD74 for ; Mon, 18 Oct 2021 08:45:41 +0000 (UTC) X-FDA: 78708924882.28.BF89801 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf02.hostedemail.com (Postfix) with ESMTP id 6CB0A7001A23 for ; Mon, 18 Oct 2021 08:45:38 +0000 (UTC) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4HXr545lDSzZcdN; Mon, 18 Oct 2021 16:43:52 +0800 (CST) Received: from dggpemm500002.china.huawei.com (7.185.36.229) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Mon, 18 Oct 2021 16:45:36 +0800 Received: from [10.174.178.178] (10.174.178.178) by dggpemm500002.china.huawei.com (7.185.36.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Mon, 18 Oct 2021 16:45:36 +0800 Message-ID: <12d49ccf-774e-ebbf-6629-3fb5d28b5ddd@huawei.com> Date: Mon, 18 Oct 2021 16:45:35 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.0.3 Subject: Re: [PATCH] mm/vmalloc: fix numa spreading for large hash tables To: Eric Dumazet , Nicholas Piggin , Uladzislau Rezki CC: Shakeel Butt , Andrew Morton , , LKML , Linux MM , Kefeng Wang References: <20210928121040.2547407-1-chenwandun@huawei.com> <8fc5e1ae-a356-6225-2e50-cf0e5ee26208@huawei.com> <1634261360.fed2opbgxw.astroid@bobo.none> <1634281763.ecsq6l88ia.astroid@bobo.none> From: Chen Wandun In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed X-Originating-IP: [10.174.178.178] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500002.china.huawei.com (7.185.36.229) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 6CB0A7001A23 X-Stat-Signature: hgtrfoor1fk7guwgab9mkok9z4wmn7ec Authentication-Results: imf02.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=huawei.com; spf=pass (imf02.hostedemail.com: domain of chenwandun@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=chenwandun@huawei.com X-HE-Tag: 1634546738-98184 Content-Transfer-Encoding: quoted-printable 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: =E5=9C=A8 2021/10/15 19:51, Eric Dumazet =E5=86=99=E9=81=93: > On Fri, Oct 15, 2021 at 12:11 AM Nicholas Piggin wr= ote: >=20 >> Okay. It would be better to do it as two patches. First the minimal fi= x >> so it can be backported easily and have the Fixes: tag pointed at my >> commit. Then the performance optimization. >> >=20 > +2, we need a small fix for stable branches. OK, I will send patch v2. Thanks, Wandun >=20 > Thanks >=20 >> Thanks, >> Nick > . >=20