From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933687AbYCSXhk (ORCPT ); Wed, 19 Mar 2008 19:37:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757687AbYCSWHi (ORCPT ); Wed, 19 Mar 2008 18:07:38 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:56010 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754887AbYCSWHf (ORCPT ); Wed, 19 Mar 2008 18:07:35 -0400 Date: Wed, 19 Mar 2008 15:07:04 -0700 From: Andrew Morton To: KOSAKI Motohiro Cc: clameter@sgi.com, kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [0/2] vmalloc: Add /proc/vmallocinfo to display mappings Message-Id: <20080319150704.d3f090e6.akpm@linux-foundation.org> In-Reply-To: <20080319111943.0E1B.KOSAKI.MOTOHIRO@jp.fujitsu.com> References: <20080318222701.788442216@sgi.com> <20080319111943.0E1B.KOSAKI.MOTOHIRO@jp.fujitsu.com> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 19 Mar 2008 11:23:30 +0900 KOSAKI Motohiro wrote: > > > The following two patches implement /proc/vmallocinfo. /proc/vmallocinfo > > displays data about the vmalloc allocations. The second patch introduces > > a tracing feature that allows to display the function that allocated the > > vmalloc area. > > > > Example: > > > > cat /proc/vmallocinfo argh, please don't top-post. (undoes it) > > Hi > > Great. > it seems very useful. > and, I found no bug. > > Reviewed-by: KOSAKI Motohiro I was just about to ask whether we actually need the feature - I don't recall ever having needed it, nor do I recall seeing anyone else need it. Why is it useful?