From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f44.google.com (mail-qg0-f44.google.com [209.85.192.44]) by kanga.kvack.org (Postfix) with ESMTP id 7C5006B0257 for ; Fri, 31 Jul 2015 11:07:03 -0400 (EDT) Received: by qgeh16 with SMTP id h16so47334738qge.3 for ; Fri, 31 Jul 2015 08:07:03 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id n8si6086930qhb.105.2015.07.31.08.07.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Jul 2015 08:07:02 -0700 (PDT) Message-ID: <55BB8F0F.8040903@redhat.com> Date: Fri, 31 Jul 2015 17:06:55 +0200 From: Jerome Marchand MIME-Version: 1.0 Subject: Re: [PATCHv9 29/36] thp: implement split_huge_pmd() References: <1437402069-105900-1-git-send-email-kirill.shutemov@linux.intel.com> <1437402069-105900-30-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1437402069-105900-30-git-send-email-kirill.shutemov@linux.intel.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="8nFvljaAp0CjsdUIwJx27nAJfuASFd0QU" Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" , Andrew Morton , Andrea Arcangeli , Hugh Dickins Cc: Dave Hansen , Mel Gorman , Rik van Riel , Vlastimil Babka , Christoph Lameter , Naoya Horiguchi , Steve Capper , "Aneesh Kumar K.V" , Johannes Weiner , Michal Hocko , Sasha Levin , linux-kernel@vger.kernel.org, linux-mm@kvack.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --8nFvljaAp0CjsdUIwJx27nAJfuASFd0QU Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 07/20/2015 04:21 PM, Kirill A. Shutemov wrote: > Original split_huge_page() combined two operations: splitting PMDs into= > tables of PTEs and splitting underlying compound page. This patch > implements split_huge_pmd() which split given PMD without splitting > other PMDs this page mapped with or underlying compound page. >=20 > Without tail page refcounting, implementation of split_huge_pmd() is > pretty straight-forward. While it's significantly simpler than it used to be, straight-forward is still not the adjective which come to my mind. >=20 > Signed-off-by: Kirill A. Shutemov > Tested-by: Sasha Levin > Tested-by: Aneesh Kumar K.V Acked-by: Jerome Marchand > --- > include/linux/huge_mm.h | 11 ++++- > mm/huge_memory.c | 122 ++++++++++++++++++++++++++++++++++++++++= ++++++++ > 2 files changed, 132 insertions(+), 1 deletion(-) >=20 --8nFvljaAp0CjsdUIwJx27nAJfuASFd0QU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVu48PAAoJEHTzHJCtsuoCRhAH/2QSeBmuyAAmnvsuWEvNRwv2 KanZinUEiJb5yBpSyw98DueKKUtUTUUL9x75nHjXSqtEdHnCSAjl6GRHf+4Fgl9r OQ9QF3NRVbE8q9OIZsO1/z9zucQGMVyNL+h2l94bBKHu0AEwTPyFoJnHcrNYoveu 9huL2kvVx51tenjt7W2PZV7uxT7LE9W+aBxckljf3oYWjy1CkggKt3KSE+LKh5nR dlkkI6AevO2/TyT4sqkPyKfXCuEzoBKoicvibt5swwh86OIV7Tn3ek5KcWkZDnf5 B12EPRUSyXoXL0V2S8SDQz4Z9EN9AibW8o2rmrgO/rhyueH+aSQ6uYSUQ3ITydo= =7suc -----END PGP SIGNATURE----- --8nFvljaAp0CjsdUIwJx27nAJfuASFd0QU-- -- 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