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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 229C9C43461 for ; Wed, 16 Sep 2020 13:39:24 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 66F3122288 for ; Wed, 16 Sep 2020 13:39:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WoveIzUb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66F3122288 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9D4A46B006C; Wed, 16 Sep 2020 09:39:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 986C76B006E; Wed, 16 Sep 2020 09:39:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 89C4E6B0070; Wed, 16 Sep 2020 09:39:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0009.hostedemail.com [216.40.44.9]) by kanga.kvack.org (Postfix) with ESMTP id 72FDC6B006C for ; Wed, 16 Sep 2020 09:39:22 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 29BB08249980 for ; Wed, 16 Sep 2020 13:39:22 +0000 (UTC) X-FDA: 77269031364.04.snail50_2206cee2711a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id EB7F580081E8 for ; Wed, 16 Sep 2020 13:39:21 +0000 (UTC) X-HE-Tag: snail50_2206cee2711a X-Filterd-Recvd-Size: 2899 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Wed, 16 Sep 2020 13:39:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600263560; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uiBkPILqgj6+XmxQSXdoL8r4H4tFY2Qbd0jwLhGYEas=; b=WoveIzUbkmPx+4BYhIzsj7l8n2KpzeNpvca4iTJe6YPwaH+TNydmTWzXd/HB9VaQD1jI17 AAfWrgeBcP9aKp5Vk5N2U5IZF1oFa89sv8QltTzqf50CQ91kh9CVxoXVsMa8YyZb8Kvfsi SqPNHMqFrbhCI0VWTbcYJqzpa9uf+eA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-308-l1_h9eZYNqGQg-zimJyxXg-1; Wed, 16 Sep 2020 09:39:18 -0400 X-MC-Unique: l1_h9eZYNqGQg-zimJyxXg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 65B92188C129; Wed, 16 Sep 2020 13:39:16 +0000 (UTC) Received: from ovpn-66-86.rdu2.redhat.com (ovpn-66-86.rdu2.redhat.com [10.10.66.86]) by smtp.corp.redhat.com (Postfix) with ESMTP id C70E6607A1; Wed, 16 Sep 2020 13:39:14 +0000 (UTC) Message-ID: <2fe2a22235a0474b4a3de939cc22c19affc945fd.camel@redhat.com> Subject: Re: [RFC] autonuma: Migrate on fault among multiple bound nodes From: Qian Cai To: Huang Ying , Peter Zijlstra Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Ingo Molnar , Mel Gorman , Johannes Weiner , "Matthew Wilcox (Oracle)" , Dave Hansen , Andi Kleen , Michal Hocko , David Rientjes Date: Wed, 16 Sep 2020 09:39:14 -0400 In-Reply-To: <20200916005936.232788-1-ying.huang@intel.com> References: <20200916005936.232788-1-ying.huang@intel.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Rspamd-Queue-Id: EB7F580081E8 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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 Wed, 2020-09-16 at 08:59 +0800, Huang Ying wrote: > static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone) > @@ -2474,11 +2481,13 @@ int mpol_misplaced(struct page *page, struct > vm_area_struct *vma, unsigned long > int thisnid = cpu_to_node(thiscpu); > int polnid = NUMA_NO_NODE; > int ret = -1; > + bool moron; Are you really going to use that name those days?