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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ht17-20020a170907609100b0077156c9124bsi9682009ejc.413.2022.09.13.07.03.21; Tue, 13 Sep 2022 07:03:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="xrpr2/Pa"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232039AbiIMNyR (ORCPT + 99 others); Tue, 13 Sep 2022 09:54:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231871AbiIMNyO (ORCPT ); Tue, 13 Sep 2022 09:54:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D30C4F392; Tue, 13 Sep 2022 06:54:13 -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 dfw.source.kernel.org (Postfix) with ESMTPS id BAF6261451; Tue, 13 Sep 2022 13:54:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 768D4C433C1; Tue, 13 Sep 2022 13:54:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1663077252; bh=8xIW2rJwihfScb+TqeOm4x25/yZ8HtZ+skFaX9eEuhY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=xrpr2/PaglYh+LuDJE2eWT9kq5bqj6/qBaMBd1adXCZiifdwSuCsCWWW9DmsCUSXq i3A3L5U+cRBnUwEMlCO8Pg9z8Ev4UhmPJouO8lBER6DnRS0YTOG/WhO0Nomi2yJWWk RAUi5nESWfejhYyNC+AxadmS7XCBHOE/XMRBBdKQ= Date: Tue, 13 Sep 2022 15:54:35 +0200 From: Greg KH To: yong 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=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 :( > 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? confused, greg k-h