Received: by 2002:a05:6358:4e97:b0:b3:742d:4702 with SMTP id ce23csp267172rwb; Thu, 11 Aug 2022 00:43:09 -0700 (PDT) X-Google-Smtp-Source: AA6agR7OzLn3p/BTA8u6LSMaEsoybk1hS+cXA5GY+BTij8EjGG8zE8KOjDsVCDPRumFLPlcPY+Hm X-Received: by 2002:a05:6402:26cb:b0:43e:6fab:11c6 with SMTP id x11-20020a05640226cb00b0043e6fab11c6mr28601710edd.272.1660203788999; Thu, 11 Aug 2022 00:43:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1660203788; cv=none; d=google.com; s=arc-20160816; b=PqMT9s0cgWRjQ8Ct+hoyRYZBVn9Ha+4B31PDlPyC/d+nAdena6ewXGIwKLbTKiqRvq KeVXo7lldwR/uRAUzoCrTrYIRERgKQzVYMqUJH0zNtioLP4ZSnf4sm4xVp3Dq/a/PqAG Rn6AmK80iI8Ou5TtM8HYcFGeaOMe5Hx71oH4A64QlT2n295v0jYY94SGIce0lfFQ2t19 MnHPekZp3R/Wa1/Fu9GZd0zXBq0qXnIATtE8FPMO1TPMS80ZhSr2Sh9tyt5P6Ne3JEYp InZlfUC+Rj0XVWdTYnwSmzoiCdkvYNEKCXZ4D+NqNwPs/MxRGBfInnRZLaC36k2PM6iS 6toQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=9PQ4PMfuzhROUIKgDdJF3d1nX8FbfePXkgZrZ8hKtk0=; b=nD/Ffw1i7pGE2TK1VzVl9w8pHsZaoe6VxnwyPWEaVoAUaIR03YAmvfS8Wp8Vr+OCti mB5kpA75eG9yKwtpGZht/VhZ71Qbz71UxH99nLRiVthq0Uxz46d+dv6w7Ml2Deu7rZ3h qdncRy3TrpjilZuQoSDDjF6IRHCadqsZ3FBWg6qrcFvu/MFVEwSk8kAUmrr/NWp/EkmE KoiwN8hrfqD2Aw6vqGHy5OOoWORdQRv7RcxGqPs5bDl7iVy8Cx3ACmAsftvxySWKo9g1 tt4nPjn0cjFmCJvKuTN3xQJoj9yzcVpOuy0lxbrZmVRgPtgX76jr0OHp7xr3d7PnqwP9 rZug== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i28-20020a50871c000000b0043d84f9413dsi12747067edb.604.2022.08.11.00.42.43; Thu, 11 Aug 2022 00:43:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234158AbiHKH2W (ORCPT + 99 others); Thu, 11 Aug 2022 03:28:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234096AbiHKH2V (ORCPT ); Thu, 11 Aug 2022 03:28:21 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74D86923D6 for ; Thu, 11 Aug 2022 00:28:20 -0700 (PDT) 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) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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?