From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f172.google.com (mail-pf0-f172.google.com [209.85.192.172]) by kanga.kvack.org (Postfix) with ESMTP id 217A26B0005 for ; Thu, 17 Mar 2016 05:36:14 -0400 (EDT) Received: by mail-pf0-f172.google.com with SMTP id u190so113286310pfb.3 for ; Thu, 17 Mar 2016 02:36:14 -0700 (PDT) Received: from smtprelay.synopsys.com (smtprelay.synopsys.com. [198.182.60.111]) by mx.google.com with ESMTPS id o63si11398204pfi.141.2016.03.17.02.36.13 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Mar 2016 02:36:13 -0700 (PDT) Subject: ARC !THP broken in linux-next (was Re: [PATCH V2] mm/thp/migration: switch from flush_tlb_range to flush_pmd_tlb_range) References: <1455118510-15031-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> From: Vineet Gupta Message-ID: <56EA7A78.6020308@synopsys.com> Date: Thu, 17 Mar 2016 15:05:52 +0530 MIME-Version: 1.0 In-Reply-To: <1455118510-15031-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" , akpm@linux-foundation.org, Mel Gorman , "Kirill A. Shutemov" , Vineet Gupta Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-next Hi Aneesh, On Wednesday 10 February 2016 09:05 PM, Aneesh Kumar K.V wrote: > We remove one instace of flush_tlb_range here. That was added by > f714f4f20e59ea6eea264a86b9a51fd51b88fc54 ("mm: numa: call MMU notifiers > on THP migration"). But the pmdp_huge_clear_flush_notify should have > done the require flush for us. Hence remove the extra flush. > > Signed-off-by: Aneesh Kumar K.V linux-next fails for ARC with this - although this is not your fault. Back then, per your request I did verify that ARC builds fine with this for CONFIG_TRANSPARENT_HUGEPAGE worked. However I failed to check the !THP case which is broken. @Andrew could you please add the patch below to mm tree ! Thx, Vineet ------------>