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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFFE8C433FF for ; Mon, 29 Jul 2019 15:41:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 964CB216C8 for ; Mon, 29 Jul 2019 15:41:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387576AbfG2PlB (ORCPT ); Mon, 29 Jul 2019 11:41:01 -0400 Received: from mail.monom.org ([188.138.9.77]:49950 "EHLO mail.monom.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388120AbfG2Pk4 (ORCPT ); Mon, 29 Jul 2019 11:40:56 -0400 Received: from mail.monom.org (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id 0EAC45006EC; Mon, 29 Jul 2019 17:40:51 +0200 (CEST) Received: from localhost (b9168f76.cgn.dg-w.de [185.22.143.118]) by mail.monom.org (Postfix) with ESMTPSA id D47805005D6; Mon, 29 Jul 2019 17:40:50 +0200 (CEST) From: Daniel Wagner To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Greg KH , Jon Hunter Subject: [PATCH 4.4 0/2] vmstat backports Date: Mon, 29 Jul 2019 17:40:44 +0200 Message-Id: <20190729154046.8824-1-wagi@monom.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg, Second attempt on this topic [1]: """ Upstream commmit 0eb77e988032 ("vmstat: make vmstat_updater deferrable again and shut down on idle") was back ported in v4.4.178 (bdf3c006b9a2). For -rt we definitely need the bugfix f01f17d3705b ("mm, vmstat: make quiet_vmstat lighter") as well. Since the offending patch was back ported to v4.4 stable only, the other stable branches don't need an update (offending patch and bug fix are already in). """ Though I missed a dependency as Jon noted[2]. The missing patch is 587198ba5206 ("vmstat: Remove BUG_ON from vmstat_update"). I've tested this on a Tegra K1 one board which exposed the bug. With this should be fine. While at it, I looked on all relevant changes for vmstat_updated(). These two patches are the only relevant changes which are missing. It seems almost all changes from mainline have made it back to v4. Could you please queue the above patches for v4.4.y? Thanks, Daniel [1] https://lore.kernel.org/stable/20190513061237.4915-1-wagi@monom.org [2] https://lore.kernel.org/stable/f32de22f-c928-2eaa-ee3f-d2b26c184dd4@nvidia.com Christoph Lameter (1): vmstat: Remove BUG_ON from vmstat_update Michal Hocko (1): mm, vmstat: make quiet_vmstat lighter mm/vmstat.c | 80 +++++++++++++++++++++++++++++++---------------------- 1 file changed, 47 insertions(+), 33 deletions(-) -- 2.20.1