From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: [PATCH v10 2/7] x86: add pmd_[dirty|mkclean] for THP Date: Mon, 7 Jul 2014 13:44:07 +0300 Message-ID: <20140707104407.GB23150@node.dhcp.inet.fi> References: <1404694438-10272-1-git-send-email-minchan@kernel.org> <1404694438-10272-3-git-send-email-minchan@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1404694438-10272-3-git-send-email-minchan@kernel.org> Sender: owner-linux-mm@kvack.org To: Minchan Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk , Linux API , Hugh Dickins , Johannes Weiner , Rik van Riel , KOSAKI Motohiro , Mel Gorman , Jason Evans , Zhang Yanfei , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org List-Id: linux-api@vger.kernel.org On Mon, Jul 07, 2014 at 09:53:53AM +0900, 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 > Signed-off-by: Minchan Kim Acked-by: Kirill A. Shutemov -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752777AbaGGKpE (ORCPT ); Mon, 7 Jul 2014 06:45:04 -0400 Received: from mta-out1.inet.fi ([62.71.2.200]:46845 "EHLO jenni2.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751968AbaGGKpA (ORCPT ); Mon, 7 Jul 2014 06:45:00 -0400 Date: Mon, 7 Jul 2014 13:44:07 +0300 From: "Kirill A. Shutemov" To: Minchan Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk , Linux API , Hugh Dickins , Johannes Weiner , Rik van Riel , KOSAKI Motohiro , Mel Gorman , Jason Evans , Zhang Yanfei , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Subject: Re: [PATCH v10 2/7] x86: add pmd_[dirty|mkclean] for THP Message-ID: <20140707104407.GB23150@node.dhcp.inet.fi> References: <1404694438-10272-1-git-send-email-minchan@kernel.org> <1404694438-10272-3-git-send-email-minchan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1404694438-10272-3-git-send-email-minchan@kernel.org> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 07, 2014 at 09:53:53AM +0900, 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 > Signed-off-by: Minchan Kim Acked-by: Kirill A. Shutemov -- Kirill A. Shutemov