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 A19DDECAAD8 for ; Fri, 16 Sep 2022 09:40:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229797AbiIPJkP (ORCPT ); Fri, 16 Sep 2022 05:40:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230107AbiIPJkO (ORCPT ); Fri, 16 Sep 2022 05:40:14 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 505452B180; Fri, 16 Sep 2022 02:40:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A9024B824A5; Fri, 16 Sep 2022 09:40:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB66AC433C1; Fri, 16 Sep 2022 09:40:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1663321210; bh=2y4F6kzQUAcWpEfeqLTDlB64eEYL2UprKkZnwQeKe9M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Kcj0Zu3DidA+9p4PnsSZDGImuLlMU5q01pPxtq/bpQkciTy08gfIPHGPJSm8hD4oM BDhR0uC9nt98T5Ws5LyEAQvgwW/fRMVwj8bRgzzl9FZTMQ+40FxlW5tZBQUWGbmj3a 2VgXnHCcVI/fjhm1VDnJ9Y6Jh/f892wdOFFMXXsU= Date: Fri, 16 Sep 2022 11:40:35 +0200 From: Greg KH To: yong w Cc: jaewon31.kim@samsung.com, mhocko@kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, wang.yong12@zte.com.cn Subject: Re: [PATCH v4] page_alloc: consider highatomic reserve in watermark fast Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Sep 14, 2022 at 08:46:15AM +0800, yong w wrote: > Greg KH 于2022年9月13日周二 21:54写道： > > > > > 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 > > f27ce0e page_alloc: consider highatomic reserve in watermark fast > > > > 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? > > > > I think these two patches should also be merged. > > 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