From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f176.google.com (mail-lb0-f176.google.com [209.85.217.176]) by kanga.kvack.org (Postfix) with ESMTP id 44DF66B0256 for ; Thu, 17 Sep 2015 11:37:37 -0400 (EDT) Received: by lbbvu2 with SMTP id vu2so11449271lbb.0 for ; Thu, 17 Sep 2015 08:37:36 -0700 (PDT) Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com. [209.85.212.179]) by mx.google.com with ESMTPS id k14si4845269wjr.21.2015.09.17.08.37.35 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Sep 2015 08:37:35 -0700 (PDT) Received: by wicge5 with SMTP id ge5so124256607wic.0 for ; Thu, 17 Sep 2015 08:37:35 -0700 (PDT) Date: Thu, 17 Sep 2015 18:37:34 +0300 From: "Kirill A. Shutemov" 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org