From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E939C54EE9 for ; Mon, 19 Sep 2022 01:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229602AbiISBIM (ORCPT ); Sun, 18 Sep 2022 21:08:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229573AbiISBIH (ORCPT ); Sun, 18 Sep 2022 21:08:07 -0400 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C583C13EB6 for ; Sun, 18 Sep 2022 18:08:05 -0700 (PDT) Received: from epcas3p2.samsung.com (unknown [182.195.41.20]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20220919010802epoutp0354c5b2878db7b297b683583a21361f2e~WHZ9jqHob2019020190epoutp03k for ; Mon, 19 Sep 2022 01:08:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20220919010802epoutp0354c5b2878db7b297b683583a21361f2e~WHZ9jqHob2019020190epoutp03k DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1663549682; bh=NDoR4FS/YkfgMXQLIMHDdM8BwQ3egJu9CTsYYwFrncY=; h=Subject:Reply-To:From:To:CC:In-Reply-To:Date:References:From; b=OzXxhOaI8KJmnkWtEKSiQgEnE/w8a0RN9Fb5nNM5GW7fMuYHceuPoVD8mj6jG7G7t dzZ+rAI8X3tMZjcbtLSXGDVPdKvEcOZNmMWoM5L5qigbfBxrpqBlX3vH98R36csfTU 02bdttU0liBJFuOBX/P2wx+pliHUUX9STdAjXPu0= Received: from epsnrtp2.localdomain (unknown [182.195.42.163]) by epcas3p2.samsung.com (KnoxPortal) with ESMTP id 20220919010802epcas3p23d5f62a37afdd1bb50890bc1ec1b207c~WHZ9NbLrb1183311833epcas3p2k; Mon, 19 Sep 2022 01:08:02 +0000 (GMT) Received: from epcpadp4 (unknown [182.195.40.18]) by epsnrtp2.localdomain (Postfix) with ESMTP id 4MW6422WDSz4x9QL; Mon, 19 Sep 2022 01:08:02 +0000 (GMT) Mime-Version: 1.0 Subject: RE: [PATCH v4] page_alloc: consider highatomic reserve in watermark fast Reply-To: jaewon31.kim@samsung.com Sender: Jaewon Kim From: Jaewon Kim To: Greg KH , yong w CC: Jaewon Kim , "mhocko@kernel.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "wang.yong12@zte.com.cn" , YongTaek Lee X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <1891546521.01663549682346.JavaMail.epsvc@epcpadp4> Date: Sun, 18 Sep 2022 10:41:40 +0900 X-CMS-MailID: 20220918014140epcms1p43196006395c81ea4b5ff727cde997cdc Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE X-CPGSPASS: Y X-CPGSPASS: Y X-Hop-Count: 3 X-CMS-RootMailID: 20220916094017epcas1p1deed4041f897d2bf0e0486554d79b3af References: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >On Wed, Sep 14, 2022 at 08:46:15AM +0800, yong w wrote: >> Greg KH =E4=BA=8E2022=E5=B9=B49=E6=9C=8813= =E6=97=A5=E5=91=A8=E4=BA=8C 21:54?=E9=81=93=EF=BC=9A >>=20 >> > >> > On Tue, Sep 13, 2022 at 09:09:47PM +0800, yong wrote: >> > > Hello, >> > > This patch is required to be patched in linux-5.4.y and linux-4.19.y= . >> > >> > What is "this patch"? There is no context here :( >> > >> Sorry, I forgot to quote the original patch. the patch is as follows >>=20 >> f27ce0e page_alloc: consider highatomic reserve in watermark fast >>=20 >> > > In addition to that, the following two patches are somewhat related: >> > > >> > > 3334a45 mm/page_alloc: use ac->high_zoneidx for classzone_idx >> > > 9282012 page_alloc: fix invalid watermark check on a negative = value >> > >> > In what way? What should be done here by us? >> > >>=20 >> I think these two patches should also be merged. >>=20 >> The classzone_idx parameter is used in the zone_watermark_fast >> functionzone, and 3334a45 use ac->high_zoneidx for classzone_idx. >> "9282012 page_alloc: fix invalid watermark check on a negative >> value" fix f27ce0e introduced issues > >Ok, I need an ack by all the developers involved in those commits, as >well as the subsystem maintainer so that I know it's ok to take them. > >Can you provide a series of backported and tested patches so that they >are easy to review? > >thanks, > >greg k-h Hello I didn't know my Act is needed to merge it. Acked-by: Jaewon Kim I don't understand well why the commit f27ce0e has dependency on 3334a45, t= hough. Thank you Jaewon Kim