From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1751965AbdHBNGO (ORCPT <rfc822;w@1wt.eu>);
        Wed, 2 Aug 2017 09:06:14 -0400
Received: from bombadil.infradead.org ([65.50.211.133]:59396 "EHLO
        bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1751763AbdHBNGN (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 2 Aug 2017 09:06:13 -0400
Date: Wed, 2 Aug 2017 15:05:50 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Mel Gorman <mgorman@suse.de>
Cc: torvalds@linux-foundation.org, will.deacon@arm.com, oleg@redhat.com,
        paulmck@linux.vnet.ibm.com, benh@kernel.crashing.org,
        mpe@ellerman.id.au, npiggin@gmail.com, linux-kernel@vger.kernel.org,
        mingo@kernel.org, stern@rowland.harvard.edu,
        Russell King <linux@armlinux.org.uk>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        Ralf Baechle <ralf@linux-mips.org>, Vineet Gupta <vgupta@synopsys.com>,
        "David S. Miller" <davem@davemloft.net>,
        Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH -v2 1/4] mm: Rework {set,clear,mm}_tlb_flush_pending()
Message-ID: <20170802130550.bsou4oyqf3a5hfrk@hirez.programming.kicks-ass.net>
References: <20170802113837.280183420@infradead.org>
 <20170802114030.020058451@infradead.org>
 <20170802130040.kpvxlkhwrygqlaac@suse.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20170802130040.kpvxlkhwrygqlaac@suse.de>
User-Agent: NeoMutt/20170609 (1.8.3)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Aug 02, 2017 at 02:00:40PM +0100, Mel Gorman wrote:
> On Wed, Aug 02, 2017 at 01:38:38PM +0200, Peter Zijlstra wrote:
> > For this to work we need to rework migrate_misplaced_transhuge_page()
> > a little and move the test up into do_huge_pmd_numa_page().
> > 
> 
> Note that Nadav has a patch in parallel on it's way towards Andrew's
> tree that I suggested to always always check if a TLB flush is pending
> under the PTL. A conflict will happen but will be trivial to resolve.

Got a link?