From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx189.postini.com [74.125.245.189]) by kanga.kvack.org (Postfix) with SMTP id 1FC046B004F for ; Mon, 26 Dec 2011 03:43:32 -0500 (EST) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id A8C773EE0AE for ; Mon, 26 Dec 2011 17:43:30 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 9109C45DE4E for ; Mon, 26 Dec 2011 17:43:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 78D8545DE4D for ; Mon, 26 Dec 2011 17:43:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 6E6D21DB802F for ; Mon, 26 Dec 2011 17:43:30 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.240.81.133]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 298371DB8037 for ; Mon, 26 Dec 2011 17:43:30 +0900 (JST) Date: Mon, 26 Dec 2011 17:42:17 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH 4/4] pagemap: document KPF_THP and make page-types aware of it Message-Id: <20111226174217.ab33a2eb.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <1324506228-18327-5-git-send-email-n-horiguchi@ah.jp.nec.com> References: <1324506228-18327-1-git-send-email-n-horiguchi@ah.jp.nec.com> <1324506228-18327-5-git-send-email-n-horiguchi@ah.jp.nec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Naoya Horiguchi Cc: linux-mm@kvack.org, Andrew Morton , David Rientjes , Andi Kleen , Wu Fengguang , Andrea Arcangeli , KOSAKI Motohiro , linux-kernel@vger.kernel.org On Wed, 21 Dec 2011 17:23:48 -0500 Naoya Horiguchi wrote: > page-types, which is a common user of pagemap, gets aware of thp > with this patch. This helps system admins and kernel hackers know > about how thp works. > Here is a sample output of page-types over a thp: > > $ page-types -p --raw --list > > voffset offset len flags > ... > 7f9d40200 3f8400 1 ___U_lA____Ma_bH______t____________ > 7f9d40201 3f8401 1ff ________________T_____t____________ > > flags page-count MB symbolic-flags long-symbolic-flags > 0x0000000000410000 511 1 ________________T_____t____________ compound_tail,thp > 0x000000000040d868 1 0 ___U_lA____Ma_bH______t____________ uptodate,lru,active,mmap,anonymous,swapbacked,compound_head,thp > > Signed-off-by: Naoya Horiguchi > Acked-by: Wu Fengguang > Reviewed-by: KAMEZAWA Hiroyuki -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org