From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by kanga.kvack.org (Postfix) with ESMTP id 7A4DB6B0253 for ; Wed, 4 Nov 2015 03:22:56 -0500 (EST) Received: by wmeg8 with SMTP id g8so34795603wme.1 for ; Wed, 04 Nov 2015 00:22:56 -0800 (PST) Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com. [74.125.82.51]) by mx.google.com with ESMTPS id l66si881575wmg.9.2015.11.04.00.22.55 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Nov 2015 00:22:55 -0800 (PST) Received: by wmeg8 with SMTP id g8so104114269wme.0 for ; Wed, 04 Nov 2015 00:22:55 -0800 (PST) Date: Wed, 4 Nov 2015 09:22:53 +0100 From: Michal Hocko Subject: Re: [PATCH 6/8] mm: lru_deactivate_fn should clear PG_referenced Message-ID: <20151104082253.GC29607@dhcp22.suse.cz> References: <1446188504-28023-1-git-send-email-minchan@kernel.org> <1446188504-28023-7-git-send-email-minchan@kernel.org> <20151030124711.GB23627@dhcp22.suse.cz> <20151103011030.GF17906@bbox> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151103011030.GF17906@bbox> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michael Kerrisk , linux-api@vger.kernel.org, Hugh Dickins , Johannes Weiner , zhangyanfei@cn.fujitsu.com, Rik van Riel , Mel Gorman , KOSAKI Motohiro , Jason Evans , Daniel Micay , "Kirill A. Shutemov" , yalin.wang2010@gmail.com, Shaohua Li On Tue 03-11-15 10:10:30, Minchan Kim wrote: > One thing I suspect is GUP with FOLL_TOUCH which calls mark_page_accesssed > on anonymous page and will mark PG_referenced. OK, this is what I've missed. -- Michal Hocko SUSE Labs -- 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