From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f41.google.com (mail-pa0-f41.google.com [209.85.220.41]) by kanga.kvack.org (Postfix) with ESMTP id C42AD6B0032 for ; Thu, 11 Dec 2014 20:59:32 -0500 (EST) Received: by mail-pa0-f41.google.com with SMTP id rd3so6248489pab.28 for ; Thu, 11 Dec 2014 17:59:32 -0800 (PST) Received: from cnbjrel01.sonyericsson.com (cnbjrel01.sonyericsson.com. [219.141.167.165]) by mx.google.com with ESMTPS id fk9si78575pab.185.2014.12.11.17.59.29 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 11 Dec 2014 17:59:31 -0800 (PST) From: "Wang, Yalin" Date: Fri, 12 Dec 2014 09:59:15 +0800 Subject: RE: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic Message-ID: <35FD53F367049845BC99AC72306C23D103E688B31406@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D103E688B313EE@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E688B313F2@CNBJMBX05.corpusers.net> <20141205143134.37139da2208c654a0d3cd942@linux-foundation.org> <35FD53F367049845BC99AC72306C23D103E688B313F4@CNBJMBX05.corpusers.net> <20141208114601.GA28846@node.dhcp.inet.fi> <35FD53F367049845BC99AC72306C23D103E688B313FB@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E688B31403@CNBJMBX05.corpusers.net> <20141210110556.GA10630@node.dhcp.inet.fi> In-Reply-To: <20141210110556.GA10630@node.dhcp.inet.fi> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "'Kirill A. Shutemov'" Cc: 'Andrew Morton' , 'Konstantin Khlebnikov' , "'linux-kernel@vger.kernel.org'" , "'linux-mm@kvack.org'" , "'linux-arm-kernel@lists.infradead.org'" , "'n-horiguchi@ah.jp.nec.com'" , "'oleg@redhat.com'" , "'gorcunov@openvz.org'" , "'pfeiner@google.com'" > -----Original Message----- > From: Kirill A. Shutemov [mailto:kirill@shutemov.name] > Sent: Wednesday, December 10, 2014 7:06 PM > To: Wang, Yalin > Cc: 'Andrew Morton'; 'Konstantin Khlebnikov'; 'linux- > kernel@vger.kernel.org'; 'linux-mm@kvack.org'; 'linux-arm- > kernel@lists.infradead.org'; 'n-horiguchi@ah.jp.nec.com'; 'oleg@redhat.co= m'; > 'gorcunov@openvz.org'; 'pfeiner@google.com' > Subject: Re: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic >=20 > On Wed, Dec 10, 2014 at 03:22:21PM +0800, Wang, Yalin wrote: > > smaps_pte_entry() doesn't ignore zero_huge_page, but it ignore > > zero_page, because vm_normal_page() will ignore it. We remove > > vm_normal_page() call, because walk_page_range() have ignore VM_PFNMAP > > vma maps, it's safe to just use pfn_valid(), so that we can also > > consider zero_page to be a valid page. >=20 > We fixed huge zero page accounting in smaps recentely. See mm tree. >=20 Hi=20 I can't find the git, could you send me a link? Thank you ! -- 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