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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 A4646C433FF for ; Mon, 29 Jul 2019 18:01:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E89220C01 for ; Mon, 29 Jul 2019 18:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564423301; bh=52c1nW5heDpTP/El9Iy9uFqcvw8UtHQKUJlSWaFumJw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=PkxqHgljqY5hqlEGzeMsMUiJnUO+2oAKcgfXAGZUIs8hoT57b4JzSEzQ1IEfY/CsF m/9vIarpVWKTHnBU4M1BUr0gehQlhHTO32ETLH8VIWqfiP3bdYJoXuDAB6BeQpl8Wi XwFS5boOse2NQvphQQczzjJGz+UPPPmBkHjFo8tE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726986AbfG2SBk (ORCPT ); Mon, 29 Jul 2019 14:01:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:57852 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726167AbfG2SBk (ORCPT ); Mon, 29 Jul 2019 14:01:40 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 39EB3206BA; Mon, 29 Jul 2019 18:01:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564423299; bh=52c1nW5heDpTP/El9Iy9uFqcvw8UtHQKUJlSWaFumJw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Uw8bJEadKbmw1AuUSVvPa5d6fMyhSN92qJ3owhe6SX7jhpWeOjYUiKxmSfuJ00Z7t FdbCH8ag48dBX8ddhDtTkPC2TCmKb+u/VU/UiZIplDeAFJB0UxecxnntWK90MtxRH6 vHuH4SLvxrpy0DouUQ4ZJfitGBswhLEPvuBvLzxM= Date: Mon, 29 Jul 2019 20:01:37 +0200 From: Greg KH To: Daniel Wagner Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, Jon Hunter Subject: Re: [PATCH 4.4 0/2] vmstat backports Message-ID: <20190729180137.GA3471@kroah.com> References: <20190729154046.8824-1-wagi@monom.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190729154046.8824-1-wagi@monom.org> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jul 29, 2019 at 05:40:44PM +0200, Daniel Wagner wrote: > 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(-) Now queued up. greg k-h