From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 908DF6B0044 for ; Wed, 16 Dec 2009 10:34:06 -0500 (EST) Received: by yxe10 with SMTP id 10so1031627yxe.12 for ; Wed, 16 Dec 2009 07:34:04 -0800 (PST) Date: Wed, 16 Dec 2009 23:35:13 +0800 From: =?utf-8?Q?Am=C3=A9rico?= Wang Subject: Re: [PATCH] mm: introduce dump_page() and print symbolic flag names Message-ID: <20091216153513.GC2804@hack> References: <20091216122640.GA13817@localhost> <20091216123310.GA17522@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091216123310.GA17522@localhost> Sender: owner-linux-mm@kvack.org To: Wu Fengguang Cc: Mel Gorman , Alex Chiang , "akpm@linux-foundation.org" , "Li, Haicheng" , Randy Dunlap , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Andi Kleen , Ingo Molnar , Christoph Lameter , Rik van Riel , KOSAKI Motohiro List-ID: On Wed, Dec 16, 2009 at 08:33:10PM +0800, Wu Fengguang wrote: >On Wed, Dec 16, 2009 at 08:26:40PM +0800, Wu Fengguang wrote: >> - introduce dump_page() to print the page info for debugging some error condition. >> - convert three mm users: bad_page(), print_bad_pte() and memory offline failure. >> - print an extra field: the symbolic names of page->flags >> >> Example dump_page() output: >> >> [ 157.521694] page:ffffea0000a7cba8 count:2 mapcount:1 >> mapping:ffff88001c901791 index:147 > ~~~ this is in fact 0x147 > >The index value may sometimes be misread as decimal number, shall this >be fixed by adding a "0x" prefix? Using '%#x' will do. Thanks. > >> [ 157.525570] page flags: 100000000100068(uptodate|lru|active|swapbacked) >-- >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/ -- Live like a child, think like the god. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org