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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 344B6C433DB for ; Fri, 26 Feb 2021 01:16:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C067E64F22 for ; Fri, 26 Feb 2021 01:16:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C067E64F22 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 53C328D0013; Thu, 25 Feb 2021 20:16:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4ECF96B0070; Thu, 25 Feb 2021 20:16:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 403698D0013; Thu, 25 Feb 2021 20:16:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0231.hostedemail.com [216.40.44.231]) by kanga.kvack.org (Postfix) with ESMTP id 2C5CE6B006E for ; Thu, 25 Feb 2021 20:16:47 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id E75B0BF0F for ; Fri, 26 Feb 2021 01:16:46 +0000 (UTC) X-FDA: 77858654412.21.4970903 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf12.hostedemail.com (Postfix) with ESMTP id 553AAE6 for ; Fri, 26 Feb 2021 01:16:40 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 32D1564EFA; Fri, 26 Feb 2021 01:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614302205; bh=FwFNgBg2TD9zBBEY/VN/QzuR/0eMAZ8lqzeehwdlq2I=; h=Date:From:To:Subject:In-Reply-To:From; b=Ju5+mizWd4QWXGTDjnE7hWZY+Gj65Uf52loRMBCsLWI5xotZZtlPTgAzWeODRARJ2 YcvCwNjyyWv8Ijd+yVPhmazTP0Ig5dIAgtUE65ASP6zzD7Md0Dac8ZWPpLkLJKEsHz ufwSIOPXY7gQZNCUV+k8DKj+I6O9Gmo7J62b+60k= Date: Thu, 25 Feb 2021 17:16:44 -0800 From: Andrew Morton To: akpm@linux-foundation.org, david@redhat.com, georgi.djakov@linaro.org, linux-mm@kvack.org, minchan@kernel.org, mm-commits@vger.kernel.org, pdaly@codeaurora.org, rdunlap@infradead.org, torvalds@linux-foundation.org Subject: [patch 022/118] mm: cma: print region name on failure Message-ID: <20210226011644.KJZzeyhzx%akpm@linux-foundation.org> In-Reply-To: <20210225171452.713967e96554bb6a53e44a19@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Stat-Signature: p51go618cht8cnb9xy4icki3czco11mf X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 553AAE6 Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf12; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614302200-133853 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: From: Patrick Daly Subject: mm: cma: print region name on failure Print the name of the CMA region for convenience. This is useful information to have when cma_alloc() fails. [pdaly@codeaurora.org: print the "count" variable] Link: https://lkml.kernel.org/r/20210209142414.12768-1-georgi.djakov@linaro.org Link: https://lkml.kernel.org/r/20210208115200.20286-1-georgi.djakov@linaro.org Signed-off-by: Patrick Daly Signed-off-by: Georgi Djakov Acked-by: Minchan Kim Reviewed-by: David Hildenbrand Reviewed-by: Randy Dunlap Cc: Minchan Kim Signed-off-by: Andrew Morton --- mm/cma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/cma.c~mm-cma-print-region-name-on-failure +++ a/mm/cma.c @@ -500,8 +500,8 @@ struct page *cma_alloc(struct cma *cma, } if (ret && !no_warn) { - pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n", - __func__, count, ret); + pr_err("%s: %s: alloc failed, req-size: %zu pages, ret: %d\n", + __func__, cma->name, count, ret); cma_debug_show_areas(cma); } _