From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752177AbbIQPhi (ORCPT ); Thu, 17 Sep 2015 11:37:38 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:38279 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751663AbbIQPhg (ORCPT ); Thu, 17 Sep 2015 11:37:36 -0400 Date: Thu, 17 Sep 2015 18:37:34 +0300 From: "Kirill A. Shutemov" To: Andrew Morton Cc: Oleg Nesterov , "Kirill A. Shutemov" , Will Deacon , hpa@zytor.com, luto@amacapital.net, dave.hansen@linux.intel.com, mingo@elte.hu, minchan@kernel.org, tglx@linutronix.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: LTP regressions due to 6dc296e7df4c ("mm: make sure all file VMAs have ->vm_ops set") Message-ID: <20150917153733.GA31823@node.dhcp.inet.fi> References: <20150914105346.GB23878@arm.com> <20150914115800.06242CE@black.fi.intel.com> <20150914170547.GA28535@redhat.com> <20150914182033.GA4165@node.dhcp.inet.fi> <20150915121201.GA10104@redhat.com> <20150915134216.GA16093@node.dhcp.inet.fi> <20150916142818.d0e5c01f0e91c91f9959ad84@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150916142818.d0e5c01f0e91c91f9959ad84@linux-foundation.org> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 16, 2015 at 02:28:18PM -0700, Andrew Morton wrote: > On Tue, 15 Sep 2015 16:42:16 +0300 "Kirill A. Shutemov" wrote: > > > I would rather like to see consolidated fault path between file and anon > > with ->vm_ops set for both. So vma_is_anonymous() will be trivial > > vma->vm_ops == anon_vm_ops. > > People are noticing: https://bugzilla.kernel.org/show_bug.cgi?id=104691 > > How about I send Linus a revert of 6dc296e7df4c while we work out what > to do? I think it's the best step for now. Although, I'm not sure when I will get time on reworking fault path :-/ -- Kirill A. Shutemov