From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752448AbaHSCJU (ORCPT ); Mon, 18 Aug 2014 22:09:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15618 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751258AbaHSCJS (ORCPT ); Mon, 18 Aug 2014 22:09:18 -0400 Message-ID: <53F2B1A9.80100@redhat.com> Date: Mon, 18 Aug 2014 22:08:41 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 MIME-Version: 1.0 To: Minchan Kim , Andrew Morton CC: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk , linux-api@vger.kernel.org, Hugh Dickins , Johannes Weiner , KOSAKI Motohiro , Mel Gorman , Jason Evans , zhangyanfei@cn.fujitsu.com, "Kirill A. Shutemov" , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, "Kirill A. Shutemov" Subject: Re: [PATCH v15 2/7] x86: add pmd_[dirty|mkclean] for THP References: <1408321076-2231-1-git-send-email-minchan@kernel.org> <1408321076-2231-3-git-send-email-minchan@kernel.org> In-Reply-To: <1408321076-2231-3-git-send-email-minchan@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/17/2014 08:17 PM, Minchan Kim wrote: > MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent > overwrite of the contents since MADV_FREE syscall is called for > THP page. > > This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE > support. > > Cc: Thomas Gleixner > Cc: Ingo Molnar > Cc: "H. Peter Anvin" > Cc: x86@kernel.org > Acked-by: Zhang Yanfei > Acked-by: Kirill A. Shutemov > Signed-off-by: Minchan Kim Acked-by: Rik van Riel