From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932425AbdJJPvl (ORCPT ); Tue, 10 Oct 2017 11:51:41 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:33768 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932212AbdJJPvj (ORCPT ); Tue, 10 Oct 2017 11:51:39 -0400 X-Google-Smtp-Source: AOwi7QCrQ2UiZGZelOjaAGx1srJWc2+UIa8FHeMl9VvvRD/QrVR3ioDYPOViKntDLhaTii2zDNFsQA== From: Pintu Agarwal To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, labbott@redhat.com, gregkh@linuxfoundation.org, jaewon31.kim@samsung.com, opendmb@gmail.com, pintu.ping@gmail.com Subject: [PATCH 1/1] [mm]: cma: change pr_info to pr_err for cma_alloc fail log Date: Tue, 10 Oct 2017 11:50:33 -0400 Message-Id: <1507650633-4430-1-git-send-email-pintu.ping@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It was observed that under cma_alloc fail log, pr_info was used instead of pr_err. This will lead to problem if printk debug level is set to below 7. In this case the cma_alloc failure log will not be captured in the log and it will be difficult to debug. Simply replace the pr_info with pr_err to capture failure log. Signed-off-by: Pintu Agarwal --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/cma.c b/mm/cma.c index c0da318..e0d1393 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -461,7 +461,7 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align, trace_cma_alloc(pfn, page, count, align); if (ret) { - pr_info("%s: alloc failed, req-size: %zu pages, ret: %d\n", + pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n", __func__, count, ret); cma_debug_show_areas(cma); } -- 2.7.4