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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23812C3524D for ; Mon, 3 Feb 2020 09:31:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9B52320721 for ; Mon, 3 Feb 2020 09:31:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B52320721 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 098E86B0632; Mon, 3 Feb 2020 04:31:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 04AA76B0633; Mon, 3 Feb 2020 04:31:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EA3B86B0634; Mon, 3 Feb 2020 04:31:32 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0238.hostedemail.com [216.40.44.238]) by kanga.kvack.org (Postfix) with ESMTP id D545B6B0632 for ; Mon, 3 Feb 2020 04:31:32 -0500 (EST) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 8A937181AEF1A for ; Mon, 3 Feb 2020 09:31:32 +0000 (UTC) X-FDA: 76448298024.24.beds46_2a7b7eb879254 X-HE-Tag: beds46_2a7b7eb879254 X-Filterd-Recvd-Size: 2386 Received: from relay.sw.ru (relay.sw.ru [185.231.240.75]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Mon, 3 Feb 2020 09:31:31 +0000 (UTC) Received: from dhcp-172-16-24-104.sw.ru ([172.16.24.104]) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1iyY4Y-0003vv-U0; Mon, 03 Feb 2020 12:31:15 +0300 Subject: Re: [PATCH v3] mm: Allocate shrinker_map on appropriate NUMA node To: Michal Hocko Cc: David Hildenbrand , akpm@linux-foundation.org, hannes@cmpxchg.org, shakeelb@google.com, vdavydov.dev@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <158047248934.390127.5043060848569612747.stgit@localhost.localdomain> <5f3fc9a9-9a22-ccc3-5971-9783b60807bc@virtuozzo.com> <20200131154735.GA4520@dhcp22.suse.cz> <20200131160151.GB4520@dhcp22.suse.cz> <20200131161814.GC4520@dhcp22.suse.cz> From: Kirill Tkhai Message-ID: <878c2752-9817-3c37-c9fc-ef46c3a9a256@virtuozzo.com> Date: Mon, 3 Feb 2020 12:31:13 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200131161814.GC4520@dhcp22.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit 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 31.01.2020 19:18, Michal Hocko wrote: > On Fri 31-01-20 19:08:49, Kirill Tkhai wrote: >> mm: Allocate shrinker_map on appropriate NUMA node >> >> From: Kirill Tkhai >> >> Despite shrinker_map may be touched from any cpu >> (e.g., a bit there may be set by a task running >> everywhere); kswapd is always bound to specific >> node. So, we will allocate shrinker_map from >> related NUMA node to respect its NUMA locality. >> Also, this follows generic way we use for allocation >> memcg's per-node data. > > I would just drop the last sentence. I mean we allocate memcg->nodeinfo from specific node, so shrinker_map also should follow this rule. Though, I have no objections to remove this on patch merge. >> Signed-off-by: Kirill Tkhai > > Acked-by: Michal Hocko Thanks, Kirill.