From patchwork Mon Jul 29 15:40:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Wagner X-Patchwork-Id: 170019 Delivered-To: patch@linaro.org Received: by 2002:a92:512:0:0:0:0:0 with SMTP id q18csp1427574ile; Mon, 29 Jul 2019 08:41:02 -0700 (PDT) X-Google-Smtp-Source: APXvYqyxm6H2roQPblryJfXEUlPxupxt8+cXjEW9D+4vAlalAGyr6E0nW3IbEVtOOCcJZRfNafTE X-Received: by 2002:a63:de07:: with SMTP id f7mr2304588pgg.213.1564414862571; Mon, 29 Jul 2019 08:41:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1564414862; cv=none; d=google.com; s=arc-20160816; b=gzyy5nA/SaJwl+cismRkBGKY+UicSoUQfDUz2PvNrAB0QOE5utwLQPPI44tnvXoff9 OlzzT+gcW8TqIJK/SUVbBci5cnfm2Utl201wB+jTIngovZz4Hy29dWjYucCnPx4m8Wbc 1JE42Lr7cARTx7BdFhbnonCdfr4GqaZYf68H1lqK9pzL7NM4MBsCD4bBfm8PfxaiAMcy oFCy6lExKXl9ZhUhFz58qvKyu5pQmyAY7CmQJ+wm7dU14asaaQ1uiL6nde9JJIAmdvgV NYiF7wW43Tww9xwIn/uUNapat7TwM1D4XYTJYM/6vZy93rfXtuOgNeLyvqQmdS4jOfPG C2tg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=ofxHLVumQd5/QTTkEBrSl3N2DjE3MtC0KXhXhQw1nUo=; b=NS5U7ZfQEnIjkfk9QhAInC7EOsJ4rd58a/VkkpPC8mBnT+DLAYRXfpg3Nyy/O3qBGo J8qhaaISHjQAkpfWFirkoxnYZvH7/KrvMVo5yWf/rq/68TCP7BSQrDsrMfFlGqzfbp7R 8noSoua3H492hK52jbtxQmGv0C1mzElKtZ7pXzRGr2qN/M9f7MZi/QK4X9SL5LhDv83d PcLVm4LGMtWDGcWIqgYfn0xdpKGQksLeTUP6ukabTvsNp27SMxQqhqZCxlrgaV8nkq2Y HzEx0z1ilkyveLx+s25FrOVGWVHCRUerNk9hMCEzijjG1Ohov/5AH3NyAyyNJrLUKw/B Zq/w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u38si27554533pgn.79.2019.07.29.08.41.02; Mon, 29 Jul 2019 08:41:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387576AbfG2PlB (ORCPT + 29 others); 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) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.monom.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.2 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 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