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 69A7DC433DB for ; Fri, 26 Feb 2021 01:17:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2179464F17 for ; Fri, 26 Feb 2021 01:17:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229912AbhBZBRe (ORCPT ); Thu, 25 Feb 2021 20:17:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:49316 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229947AbhBZBRa (ORCPT ); Thu, 25 Feb 2021 20:17:30 -0500 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 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org 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); } _