From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757071AbcIGMlK (ORCPT ); Wed, 7 Sep 2016 08:41:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58368 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757031AbcIGMlJ (ORCPT ); Wed, 7 Sep 2016 08:41:09 -0400 Date: Wed, 7 Sep 2016 14:41:06 +0200 From: Andrea Arcangeli To: Ebru Akagunduz Cc: linux-mm@kvack.org, riel@redhat.com, akpm@linux-foundation.org, vbabka@suse.cz, mgorman@techsingularity.net, kirill.shutemov@linux.intel.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm, thp: fix leaking mapped pte in __collapse_huge_page_swapin() Message-ID: <20160907124106.5ucjmkuj6c3olpkf@redhat.com> References: <1472820276-7831-1-git-send-email-ebru.akagunduz@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1472820276-7831-1-git-send-email-ebru.akagunduz@gmail.com> User-Agent: Mutt/1.6.2 (2016-06-11) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 07 Sep 2016 12:41:08 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 02, 2016 at 03:44:36PM +0300, Ebru Akagunduz wrote: > Currently, khugepaged does not let swapin, if there is no > enough young pages in a THP. The problem is when a THP does > not have enough young page, khugepaged leaks mapped ptes. > > This patch prohibits leaking mapped ptes. > > Signed-off-by: Ebru Akagunduz > Suggested-by: Andrea Arcangeli > --- > mm/khugepaged.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) Reviewed-by: Andrea Arcangeli