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=-2.2 required=3.0 tests=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 778CBC433E0 for ; Tue, 9 Jun 2020 11:50:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44C162068D for ; Tue, 9 Jun 2020 11:50:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729072AbgFILuA (ORCPT ); Tue, 9 Jun 2020 07:50:00 -0400 Received: from verein.lst.de ([213.95.11.211]:42075 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726395AbgFILt7 (ORCPT ); Tue, 9 Jun 2020 07:49:59 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 40B2D68AFE; Tue, 9 Jun 2020 13:49:55 +0200 (CEST) Date: Tue, 9 Jun 2020 13:49:55 +0200 From: Christoph Hellwig To: Takashi Iwai Cc: Christoph Hellwig , David Rientjes , "Alex Xu (Hello71)" , alsa-devel@alsa-project.org, bp@alien8.de, hch@infradead.org, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, Pavel Machek , perex@perex.cz, tglx@linutronix.de, tiwai@suse.com, x86@kernel.org Subject: Re: next-0519 on thinkpad x60: sound related? window manager crash Message-ID: <20200609114955.GA2027@lst.de> References: <20200609054306.GA9606@lst.de> <20200609084305.GA21671@lst.de> <20200609091727.GA23814@lst.de> <20200609113123.GA547@lst.de> <20200609114059.GA1228@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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 09, 2020 at 01:45:34PM +0200, Takashi Iwai wrote: > Yes, for the sound stuff, something below should make things working. > But it means that we'll lose the SG-buffer allocation and the > allocation of large buffers might fail on some machines. We crossed lines there. In general due to better memory compaction and CMA we have better chances to get larger contiguous allocations these days, so this might not be too much of an issue in practice.