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 0C67CC76196 for ; Thu, 6 Apr 2023 22:25:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237384AbjDFWZa (ORCPT ); Thu, 6 Apr 2023 18:25:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238521AbjDFWZY (ORCPT ); Thu, 6 Apr 2023 18:25:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5476AA5EA; Thu, 6 Apr 2023 15:25:22 -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 E58DC60B4A; Thu, 6 Apr 2023 22:25:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A7B5C4339C; Thu, 6 Apr 2023 22:25:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1680819921; bh=POcrBfS5KWYTL3150CQlbiuXIeiUWyNtp77r2d/bEKw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Z9GcPeDky5bXJIS5FPZvkZRQLwPX1vosICtCydDasYwnvWQAHXcgHSRK94G7k3PyW HCI+J1rY2pqaZR9VS+XlL7EuXxjy53E3Gg0xsLg+hNRHLWr7FeHfb5GHkFiKaQEVyb 3aR95I7JT6+jddfjG4EZUQKBvbOGbwAw95KQD6hY= Date: Thu, 6 Apr 2023 15:25:19 -0700 From: Andrew Morton To: David Hildenbrand Cc: Yosry Ahmed , Alexander Viro , "Darrick J. Wong" , Christoph Lameter , David Rientjes , Joonsoo Kim , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, "Matthew Wilcox (Oracle)" , Miaohe Lin , Johannes Weiner , Peter Xu , NeilBrown , Shakeel Butt , Michal Hocko , Yu Zhao , Dave Chinner , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org Subject: Re: [PATCH v5 1/2] mm: vmscan: ignore non-LRU-based reclaim in memcg reclaim Message-Id: <20230406152519.b57c4fb4da75e0b5142de2b0@linux-foundation.org> In-Reply-To: References: <20230405185427.1246289-1-yosryahmed@google.com> <20230405185427.1246289-2-yosryahmed@google.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 6 Apr 2023 12:30:56 +0200 David Hildenbrand wrote: > Otherwise it's hard to judge how far to backport this. The case for backporting sounded rather unconvincing to me, which is why I'm still sitting on the v4 series. What are your thoughts on the desirability of a backport? It makes sense to design the forthcoming v6 series for backportability, so that even if we decide "no", others can still take it easily if they wish to.