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 8E455C25B0C for ; Thu, 11 Aug 2022 07:28:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2C1C68E0003; Thu, 11 Aug 2022 03:28:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 270058E0001; Thu, 11 Aug 2022 03:28:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 074E28E0003; Thu, 11 Aug 2022 03:28:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id E6E408E0001 for ; Thu, 11 Aug 2022 03:28:21 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id B9C5114012D for ; Thu, 11 Aug 2022 07:28:21 +0000 (UTC) X-FDA: 79786483602.14.1D23B7B Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf12.hostedemail.com (Postfix) with ESMTP id 230C540193 for ; Thu, 11 Aug 2022 07:28:20 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id D223768AA6; Thu, 11 Aug 2022 09:28:17 +0200 (CEST) Date: Thu, 11 Aug 2022 09:28:17 +0200 From: Christoph Hellwig To: Michal Hocko Cc: Christoph Hellwig , Andrew Morton , Baoquan He , John Donnelly , David Hildenbrand , linux-mm@kvack.org, LKML Subject: Re: [PATCH] dma/pool: do not complain if DMA pool is not allocated Message-ID: <20220811072817.GB13886@lst.de> References: <20220325122559.14251-1-mhocko@kernel.org> <20220325164856.GA16800@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=none; spf=none (imf12.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660202901; a=rsa-sha256; cv=none; b=O9dIenFyAVuSIbrvGhkg/wo+CW7oE6rCc8ZGrOlaL9HFsFWumhs7U1VZfcStxFOuq6JjhW Y0FcgiC2OOdMUTDc0zsi8zKphnEHqgi+qwCqxn7+IBVJ7TuVMBYF9kWPwh+tznMZLnPSiF WR6crVYIeKj6bvpv4HPAX8T9U60UpRM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660202901; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9PQ4PMfuzhROUIKgDdJF3d1nX8FbfePXkgZrZ8hKtk0=; b=Fv4SM14v8KffxSEHUCbYnVOXKFBcI4Gs4oJhCCBrjHa280oHbVC25OjmmsK7tgWbxgZjUD v7BaenWL5tJ+x2/EHd2O8okKTozZfH17tX1Rt9J8vwo6r80a+Uo/ugYeiZgWQoUGCmTJe0 GbYsMWIV4GPz1hpqf+cFMXs0H93Gj6c= Authentication-Results: imf12.hostedemail.com; dkim=none; spf=none (imf12.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de; dmarc=none X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 230C540193 X-Stat-Signature: pue14s8myqk98o77wy46q7d3guknchny X-Rspam-User: X-HE-Tag: 1660202900-530546 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 Wed, Aug 03, 2022 at 11:52:10AM +0200, Michal Hocko wrote: > OK, so I have another machine spewing this warning. Still on an older > kernel but I do not think the current upstream would be any different in > that regards. This time the DMA zone is populated and consumed from > large part and the pool size request is just too large for it: I can't really parse the last sentence. What does "consumed from large part" mean here?