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=-8.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 A2E4CC433E0 for ; Thu, 11 Mar 2021 18:39:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F09D064FDD for ; Thu, 11 Mar 2021 18:39:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F09D064FDD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3EFC28D02DE; Thu, 11 Mar 2021 13:39:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 39F5C8D02B2; Thu, 11 Mar 2021 13:39:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 267418D02DE; Thu, 11 Mar 2021 13:39:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0039.hostedemail.com [216.40.44.39]) by kanga.kvack.org (Postfix) with ESMTP id 0602B8D02B2 for ; Thu, 11 Mar 2021 13:39:08 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id A62CD181AEF21 for ; Thu, 11 Mar 2021 18:39:08 +0000 (UTC) X-FDA: 77908455576.08.9C5E3FB Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) by imf24.hostedemail.com (Postfix) with ESMTP id 23DDEA0009E0 for ; Thu, 11 Mar 2021 18:39:03 +0000 (UTC) Received: by mail-pl1-f179.google.com with SMTP id u18so10627836plc.12 for ; Thu, 11 Mar 2021 10:39:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=nYY6d9PSDzvIH02G62MWvpqx6n+qNTtjRVrsYtpc2sg=; b=GV8o93zD4C7bupA+RFkzig+B9IpHlk5Pu43LlC8v/UDHZoEVe9o5U2GZ/5tiiS3YwW bnmGcAWeFpJjFmizrc2t7MDgj9jDR/wXHkaokEF/rNrv3epnONlave3C2kTDvooRS279 GEhDjDHHF7yqcV2j5iPZp3U+gcxSxB96gt56iPSo/F04TuIdeCO3Blt1CVB1bINuyZ97 rfbfz+6AlxvLhojp8rLHYj/iJWB0Jj+H9vxEEK6Vm0dvOGv4KBffTAhd5y4Hs5CRhojI w7IXWvWkh9iJiGrDbZqefQdic+rQf4Ei0ee7+U+PHbn2Uz7ivxt4nLhQVxQJnxJHqLqb IRpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=nYY6d9PSDzvIH02G62MWvpqx6n+qNTtjRVrsYtpc2sg=; b=on3xFc6VeCqUWZn1w79/HWpSCm1e5/Mr2WQ1ZCKzB6ETq0DsrAfGnaH+D0j2bbz77k p8jHoIqMyKleq2AY8O9T8es4kjQAbd3PiDLNau49TW7vQvGiONeDQ99h2WxlXmvbMJp6 OslIZaJ2E0+Q4BZD1p6dkyvvYbVfZZK4RVBLxYUz4tRvnM7y3zbwzMsboBh80glWgdyg smHePmZUxcFKZB8plEkLvK6TDJPq27lTh/cwH4FOKgS7cyPOwID9UuyA9g4z0rPv7X8f RcYNJvqdmMMlRZ3j1+Pf54lR7dWetSO0EBWXoYEwlvMSkLe0kI+Q9gBAHwC+xF1/P2Mo 5EmA== X-Gm-Message-State: AOAM530YBaDlnBhIIieYbzotk7kw9WFw6TaPsy94FMuLJOouhDuvzhSM cIvLmRVecpOnAVBf2yK6teQ= X-Google-Smtp-Source: ABdhPJz4M13YGr4sOW7pFt2j72+egGZ4VcAG0ex87KdovCtNJKExxggEd1xyJyUdswcnn4O9lH9r4Q== X-Received: by 2002:a17:90a:e2ca:: with SMTP id fr10mr10103075pjb.154.1615487947295; Thu, 11 Mar 2021 10:39:07 -0800 (PST) Received: from google.com ([2620:15c:211:201:64cb:74c7:f2c:e5e0]) by smtp.gmail.com with ESMTPSA id z27sm1890095pff.111.2021.03.11.10.39.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 10:39:06 -0800 (PST) Date: Thu, 11 Mar 2021 10:39:04 -0800 From: Minchan Kim To: Baolin Wang Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: cma: Use pr_err_ratelimited for CMA warning Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: x76ksbkiyajkig3izq6da4y6jau3ic8d X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 23DDEA0009E0 Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf24; identity=mailfrom; envelope-from=""; helo=mail-pl1-f179.google.com; client-ip=209.85.214.179 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615487943-459837 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 Tue, Mar 09, 2021 at 05:16:06PM +0800, Baolin Wang wrote: > If we did not reserve extra CMA memory, the log buffer can be > easily filled up by CMA failure warning when the devices calling > dmam_alloc_coherent() to alloc DMA memory. Thus we can use > pr_err_ratelimited() instead to reduce the duplicate CMA warning. > > Signed-off-by: Baolin Wang Acked-by: Minchan Kim