From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by kanga.kvack.org (Postfix) with ESMTP id 2A5586B0031 for ; Thu, 9 Jan 2014 04:19:52 -0500 (EST) Received: by mail-wi0-f169.google.com with SMTP id q15so150553wie.2 for ; Thu, 09 Jan 2014 01:19:51 -0800 (PST) Received: from mail-wi0-x230.google.com (mail-wi0-x230.google.com [2a00:1450:400c:c05::230]) by mx.google.com with ESMTPS id b2si2777068wix.13.2014.01.09.01.19.51 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 09 Jan 2014 01:19:51 -0800 (PST) Received: by mail-wi0-f176.google.com with SMTP id hq4so6629025wib.9 for ; Thu, 09 Jan 2014 01:19:51 -0800 (PST) From: Michal Nazarewicz Subject: Re: [PATCH 6/7] mm/page_alloc: store freelist migratetype to the page on buddy properly In-Reply-To: <1389251087-10224-7-git-send-email-iamjoonsoo.kim@lge.com> References: <1389251087-10224-1-git-send-email-iamjoonsoo.kim@lge.com> <1389251087-10224-7-git-send-email-iamjoonsoo.kim@lge.com> Date: Thu, 09 Jan 2014 10:19:44 +0100 Message-ID: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim , Andrew Morton Cc: "Kirill A. Shutemov" , Rik van Riel , Jiang Liu , Mel Gorman , Cody P Schafer , Johannes Weiner , Michal Hocko , Minchan Kim , Andi Kleen , Wei Yongjun , Tang Chen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, Jan 09 2014, Joonsoo Kim wrote: > To maintain freelist migratetype information on buddy pages, migratetype > should be set again whenever the page order is changed. set_page_order() > is the best place to do, because it is called whenever the page order is > changed, so this patch adds set_buddy_migratetype() to set_page_order(). > > And this patch makes set/get_buddy_migratetype() only enabled if it is > really needed, because it has some overhead. > > Signed-off-by: Joonsoo Kim Acked-by: Michal Nazarewicz --=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; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJSzmmwAAoJECBgQBJQdR/01c4P/Ane1F6g9Fyos/HioQHFOTyT qElpv05RKxm+fQ6zBraYsXxqtybmVeaxm9CLV3ara5lgyFbRlsWYuLGNeVPrs7P9 4GzdiK1Cd16f6F7ljLQ3SdZO0JgumR0hItG1eV5pR32XGmgZkTPJTfAKBtDNnsO+ QDW6WqNL4GAK5k5m9PGpj9h0RAdQK/FhiiK00rjiPkCm+tqsHw4rJrBusOwUKPrv rRSsLRUTPhFLXM6EEL6+BrrdZ6ONjCci9Gq6PImIElz2+QTkNg5qcEMHeIE7phLQ n0LKZ4ojcdTzfRE5vu3w9iCzl8LLlww48HgRcru0faitpNcrs3cVU/h/i4kJ1YWM gWx2l+qwi30C5Rxlx6Kg9wJq/rBw+ZZSe/HE3ndbsL55JyQhJFSDkD0JR4OSbJ/d nLNJPsU3u0X5stHeDSfNakc2S/drDvNsR0JOWtLmme2ruUBjz2MrYNWqGDAaYcNf RkEpln08lsKrNpOdHZK9bUdzVxnADW3nZaJGYu0s1ZNgfg7Ug/CqGg0Mr+uSznW/ YZSeruDxaMFGlckkkwIkYc7IKRz6/wh3jQ2YxPepPOEw5a6uUxIPXoM19EcsKTh+ KL7bEp96FhnH1Us3N/cYLqacRlsIARQVXYx7ydLzsRB5UiKnVu/3pDgJDoGVd29c ozr6HnxHAPC2a7AaX+js =CZkg -----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