From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v14 3/8] sparc: add pmd_[dirty|mkclean] for THP Date: Wed, 13 Aug 2014 19:55:58 -0700 (PDT) Message-ID: <20140813.195558.2039710996129294402.davem@davemloft.net> References: <1407981212-17818-1-git-send-email-minchan@kernel.org> <1407981212-17818-4-git-send-email-minchan@kernel.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1407981212-17818-4-git-send-email-minchan@kernel.org> Sender: sparclinux-owner@vger.kernel.org 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 List-Id: linux-api@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