Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753827AbbKXMjm (ORCPT ); Tue, 24 Nov 2015 07:39:42 -0500 Received: from mx2.suse.de ([195.135.220.15]:51667 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753490AbbKXMgq (ORCPT ); Tue, 24 Nov 2015 07:36:46 -0500 From: Vlastimil Babka To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Andrew Morton , Joonsoo Kim , Minchan Kim , Sasha Levin , "Kirill A. Shutemov" , Mel Gorman , Michal Hocko , Vlastimil Babka Subject: [PATCH v2 8/9] mm, page_alloc: print symbolic gfp_flags on allocation failure Date: Tue, 24 Nov 2015 13:36:20 +0100 Message-Id: <1448368581-6923-9-git-send-email-vbabka@suse.cz> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1448368581-6923-1-git-send-email-vbabka@suse.cz> References: <1448368581-6923-1-git-send-email-vbabka@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1258 Lines: 38 It would be useful to translate gfp_flags into string representation when printing in case of an allocation failure, especially as the flags have been undergoing some changes recently and the script ./scripts/gfp-translate needs a matching source version to be accurate. Example output: stapio: page allocation failure: order:9, mode:0x2080020(GFP_ATOMIC) Signed-off-by: Vlastimil Babka --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f806a1a..80349ac 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2711,9 +2711,9 @@ void warn_alloc_failed(gfp_t gfp_mask, unsigned int order, const char *fmt, ...) va_end(args); } - pr_warn("%s: page allocation failure: order:%u, mode:0x%x\n", + pr_warn("%s: page allocation failure: order:%u, mode:0x%x", current->comm, order, gfp_mask); - + dump_gfpflag_names(gfp_mask); dump_stack(); if (!should_suppress_show_mem()) show_mem(filter); -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/