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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA158C433EF for ; Fri, 25 Feb 2022 13:25:59 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 735B58D0003; Fri, 25 Feb 2022 08:25:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6E52C8D0001; Fri, 25 Feb 2022 08:25:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5FC138D0003; Fri, 25 Feb 2022 08:25:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 5084C8D0001 for ; Fri, 25 Feb 2022 08:25:59 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 2735C21B8D for ; Fri, 25 Feb 2022 13:25:59 +0000 (UTC) X-FDA: 79181375238.10.38A16F2 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf18.hostedemail.com (Postfix) with ESMTP id 1FB9A1C000E for ; Fri, 25 Feb 2022 13:25:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=LSTnFHtJwjxmKztI7n+qcBFfYRMunXK5MwYKRTQyBcg=; b=TuYJofUWWplykZ8xtbqRDz1IF+ Qr8UOuAnJdquJz1h3KHVutjTC7au6JiQHdC6WcVMqod7RO4h376+iS8f8XgEjVoH8rP8kvuYoIyvo yqdEorFPHbiL2abUH2z4J4m3gv6ZW6PYT5gSpKc2ad0gqkpsMSDQaISh/8wuQGMZPpR29EOXRrmfX rFhOz4nBGB8FD5BBifTeK+hDK3C2yCDXfqh2mznkrwhikzCzPE7azS52ZyLh+VuURRwwczpZevbze tP1i+IdGa8Wk2ng63KJGENAvkDoRQSMzT/nkXcltsOEOo5mtFqwxD9dbk+9tNj5xVrNEzdlaZVpp7 GMdSPm9Q==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nNabZ-005oM7-4r; Fri, 25 Feb 2022 13:25:53 +0000 Date: Fri, 25 Feb 2022 13:25:53 +0000 From: Matthew Wilcox To: Manikandan Jagatheesan Cc: Mel Gorman , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "ziy@nvidia.com" , "dave.hansen@linux.intel.com" , "mhocko@kernel.org" , "brouer@redhat.com" , Rajender M , Abdul Anshad Azeez , Yiu Cho Lau Subject: Re: [Linux Kernel 5.14 GA] ESXi Performance degradation Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=TuYJofUW; dmarc=none; spf=none (imf18.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 1FB9A1C000E X-Stat-Signature: gctuhtos5jj1ydszueb5zmaob479qhmi X-HE-Tag: 1645795557-316169 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Feb 25, 2022 at 12:48:09PM +0000, Manikandan Jagatheesan wrote: > Since we observe some performance degradation due to this commit > (44042b4498728f4376e84bae1ac8016d146d850b), could you please > backport this patch/fix to kernel 5.14 release. v5.14 no longer receives updates, as it is not a LTS kernel. v5.15 will receive updates for the next several years, so it should receive this backport, and v5.16 is still supported for a few more weeks.