Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753643AbbGaPHE (ORCPT ); Fri, 31 Jul 2015 11:07:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48580 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752373AbbGaPHC (ORCPT ); Fri, 31 Jul 2015 11:07:02 -0400 Message-ID: <55BB8F0F.8040903@redhat.com> Date: Fri, 31 Jul 2015 17:06:55 +0200 From: Jerome Marchand User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 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 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2131 Lines: 58 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/