From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753513AbaHNC4C (ORCPT ); Wed, 13 Aug 2014 22:56:02 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:49005 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753219AbaHNC4A (ORCPT ); Wed, 13 Aug 2014 22:56:00 -0400 Date: Wed, 13 Aug 2014 19:55:58 -0700 (PDT) Message-Id: <20140813.195558.2039710996129294402.davem@davemloft.net> To: minchan@kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mtk.manpages@gmail.com, linux-api@vger.kernel.org, hughd@google.com, hannes@cmpxchg.org, riel@redhat.com, kosaki.motohiro@jp.fujitsu.com, mgorman@suse.de, je@fb.com, zhangyanfei@cn.fujitsu.com, kirill@shutemov.name, sparclinux@vger.kernel.org Subject: Re: [PATCH v14 3/8] sparc: add pmd_[dirty|mkclean] for THP From: David Miller In-Reply-To: <1407981212-17818-4-git-send-email-minchan@kernel.org> References: <1407981212-17818-1-git-send-email-minchan@kernel.org> <1407981212-17818-4-git-send-email-minchan@kernel.org> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (shards.monkeyblade.net [149.20.54.216]); Wed, 13 Aug 2014 19:55:59 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Minchan Kim Date: Thu, 14 Aug 2014 10:53:27 +0900 > 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: "David S. Miller" > Cc: sparclinux@vger.kernel.org > Signed-off-by: Minchan Kim Acked-by: David S. Miller