From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx205.postini.com [74.125.245.205]) by kanga.kvack.org (Postfix) with SMTP id C45C86B0062 for ; Thu, 6 Sep 2012 08:51:47 -0400 (EDT) Received: by wgbdq12 with SMTP id dq12so1316843wgb.26 for ; Thu, 06 Sep 2012 05:51:46 -0700 (PDT) From: Michal Nazarewicz Subject: Re: [RFC v2] memory-hotplug: remove MIGRATE_ISOLATE from free_area->free_list In-Reply-To: <5048657A.7060004@cn.fujitsu.com> References: <1346900018-14759-1-git-send-email-minchan@kernel.org> <50485B7B.3030201@cn.fujitsu.com> <20120906081818.GC16231@bbox> <5048657A.7060004@cn.fujitsu.com> Date: Thu, 06 Sep 2012 14:51:39 +0200 Message-ID: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: owner-linux-mm@kvack.org List-ID: To: Lai Jiangshan , Minchan Kim Cc: Kamezawa Hiroyuki , Yasuaki Ishimatsu , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Mel Gorman , Wen Congyang , Konrad Rzeszutek Wilk --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, Sep 06 2012, Lai Jiangshan wrote: > +found: > + next_pfn =3D page_to_pfn(page); > + list_for_each_entry_from(page, &isolated_pages, lru) { > + if (page_to_pfn(page) !=3D next_pfn) > + return false; > + pfn =3D page_to_pfn(page); + pfn =3D page_to_pfn(page); + if (pfn !=3D next_pfn) + return false; > + next_pfn =3D pfn + (1UL << page_order(page)); > + if (next_pfn >=3D end_pfn) > + return true; > } --=20 Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=3D./ `o ..o | Computer Science, Micha=C5=82 =E2=80=9Cmina86=E2=80=9D Nazarewicz = (o o) ooo +------------------ooO--(_)--Ooo-- --=-=-= Content-Type: multipart/signed; boundary="==-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" --==-=-= Content-Type: text/plain --==-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJQSJxbAAoJECBgQBJQdR/00ygP/RHyhsLlUo9J3kmSwe3GC/Yl kxh0/b+BGnl5QZMU0FXYDJd9bw18zlM95SkXBGb9rqanr+/aqVrH5bU0Dkt6Yk4S LmA6Rb8dk0VXGHsesQW3kIKJq1AB4yMUML6618pLYgnPRF4k0D+FmhjdITHfLJoN husP95zV8xtLtnUXTx3SkcZ5Ae5dA92d6bXOmul6/gA6qB/JZ2xShD474UO0+Dbs RF2NEYGzMuxEKEMKd4+UTLhgVwkDeTYUEQOyXl3DYvJyJjOACBZ6I4ZwK2xDwK8+ mkS/Y50wxmkS0HwiCdoNcP4Rwpdixy6Mqjj9GBwXZAdMwFZE/hhtvekwquE9UByv mNz0bfXDVH6kUtzpDfY61cOM+ANEeaoKhnu/ap9g9DR2qAeAmLQgv3YwgaOXwoxT lnqSMPJVXqpfMFa16VszvS6z501hpW/up+AW6CBRO51cIcYPw13BJ4LF+uDKkttJ 1g4e6NfQ4+LZrNOtNRMUB4AQs8GVli0zSntPAdAyiYanf9ZjdEImq8PTnrKapBAL RIr1AiX+uJHBSh3yEBs+YAzokwOkWkHKBAQt5PGs1XyWD/IWm3UO9TqquVIxnrMx f20N6mauE5NERt6dXg8PSoOAol8RBJD0b6jB1iAtoJbXzpwSQF1A+8h+O+xqWK97 JWVHFdiFcojygJw7rzzc =D1YQ -----END PGP SIGNATURE----- --==-=-=-- --=-=-=-- -- 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