Received: by 10.213.65.68 with SMTP id h4csp3811003imn;
        Tue, 10 Apr 2018 05:11:28 -0700 (PDT)
X-Google-Smtp-Source: AIpwx4/hqqnr8vsB06U36yuTDL1osJr1AjAcN6B43qwtaIUaQCuNn+vvKViPnCneYU+V3J6ysj6+
X-Received: by 10.101.89.6 with SMTP id f6mr118269pgu.178.1523362288810;
        Tue, 10 Apr 2018 05:11:28 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1523362288; cv=none;
        d=google.com; s=arc-20160816;
        b=xD8PcIJfkFvqyva6oRNDiuQxHmEmIvXOxUXq9BSLykxnAo8Vjh4apgBuSjQ4utWN6x
         qOXr/7zGtwrv29itOeh9EmQWyG5X5fTPrKM82pj89TM3iuESbftPkg8uRuHE1XKmN/29
         64iBdYe5jqmeYh9/9pIetxbPzfN+UGmcUehdBljo9WRUzBGhh+ea2x90T/fry+sGyo5l
         3tCE4OEcqSSHkA1ey0aZLkiLupJC2YEJpCDlJD+ULcFGHfBFL+7lX3FnKS0duS1M6h+g
         IUsV39VpIf0fkRqm8nLRauc0YHhEcl7K6KGirSocD1ejN0a4EVhigBoU7ejcoQnYcb0E
         RXXw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:user-agent:in-reply-to
         :content-disposition:mime-version:references:message-id:subject:cc
         :to:from:date:dkim-signature:arc-authentication-results;
        bh=6LuskQW0pveeOfWeOjPEklNSkOIkN4n/4qGV/xr1Iu0=;
        b=xpcvd+vZzirJ8d2WAVXx/UMofE9Ky8YPaeuRKdxhG35pWLkNqnKc30XCescQd9uY6M
         0urPiEoU+f7xD+y5/MHRpao4gktYvYnsCtxjekH3Svm6mTkx4JrOwg2WocR118cDw+Bd
         wzHw9vpYkqz7K4sBtJ0iPUKEYFmsHHsT0jTx5uV7LCWKWlnQjxrF4v6VJdJCKwhj9F9F
         klyDCZ3BfLlueT14cSL9rRTjOjTNJsbpEZDTvcIEdIwE70cOQGiurwyomL/9Q7qZKLfL
         YcMo9q0+Fa0q1qwYSW6ZgVMERplkttRyeS5Rg43rdWZoAJVFFYIo70EopSfRc9gfXMkB
         fOUA==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=lvpEwEHQ;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id n6-v6si2263848plp.194.2018.04.10.05.10.51;
        Tue, 10 Apr 2018 05:11:28 -0700 (PDT)
Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Authentication-Results: mx.google.com;
       dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=lvpEwEHQ;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752809AbeDJMHW (ORCPT <rfc822;0330sisy@gmail.com> + 99 others);
        Tue, 10 Apr 2018 08:07:22 -0400
Received: from bombadil.infradead.org ([198.137.202.133]:45064 "EHLO
        bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752408AbeDJMHV (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 10 Apr 2018 08:07:21 -0400
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
        d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version
        :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:
        Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date:
        Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:
        List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive;
         bh=6LuskQW0pveeOfWeOjPEklNSkOIkN4n/4qGV/xr1Iu0=; b=lvpEwEHQ7ssyymuRwr39bC6DK
        QdOzQen3twhZakauQTFiRBiWLKeHEQzx9I7PGBJX3qhxBpRmZKwLPzqlxULDrucysgiBfzsEZ4KN4
        lsmiqV/ZT3NLEHs04OK4ns5tmnEsux4fSU7h823M39hmaTuC/GaBkbuS6u6TzgB/QG+svQLWo9+Hg
        AesbhBLP/bbsoYcaZ6EfQU8woe+W+3YMW8peKOiBv4fyvNo/mkkCHV23fg7QwDORrYbsdBv0+9Qd3
        Qb6dRkh/pQxUhIAiYbJ09Jex4S5/28vcMQhg87f3Pqt0/fq4oY6i4erAgzTc0V+PuCT/yBjwLZIsJ
        KJCC6i3KA==;
Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux))
        id 1f5s3T-0002Vx-TM; Tue, 10 Apr 2018 12:07:19 +0000
Date:   Tue, 10 Apr 2018 05:07:19 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Minchan Kim <minchan@kernel.org>
Cc:     Jan Kara <jack@suse.cz>, Michal Hocko <mhocko@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-mm <linux-mm@kvack.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Chris Fries <cfries@google.com>
Subject: Re: [PATCH] mm: workingset: fix NULL ptr dereference
Message-ID: <20180410120719.GC22118@bombadil.infradead.org>
References: <20180409015815.235943-1-minchan@kernel.org>
 <20180410082243.GW21835@dhcp22.suse.cz>
 <20180410085531.m2xvzi7nenbrgbve@quack2.suse.cz>
 <20180410093241.GA21835@dhcp22.suse.cz>
 <20180410102845.3ixg2lbnumqn2o6z@quack2.suse.cz>
 <20180410111931.GA5113@rodete-laptop-imager.corp.google.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20180410111931.GA5113@rodete-laptop-imager.corp.google.com>
User-Agent: Mutt/1.9.2 (2017-12-15)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, Apr 10, 2018 at 08:19:31PM +0900, Minchan Kim wrote:
> If you're okay for that, I really want to go my original patch
> Michal already gave Acked-by.

I NAK this patch.  It is completely wrong.