From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id DB1036B003D for ; Wed, 11 Mar 2009 04:22:10 -0400 (EDT) Date: Wed, 11 Mar 2009 16:20:38 +0800 From: Wu Fengguang Subject: Re: [Bug 12832] New: kernel leaks a lot of memory Message-ID: <20090311082038.GA32129@localhost> References: <20090310105523.3dfd4873@mjolnir.ossman.eu> <20090310122210.GA8415@localhost> <20090310131155.GA9654@localhost> <20090310212118.7bf17af6@mjolnir.ossman.eu> <20090311013739.GA7078@localhost> <20090311075703.35de2488@mjolnir.ossman.eu> <20090311071445.GA13584@localhost> <20090311082658.06ff605a@mjolnir.ossman.eu> <20090311073619.GA26691@localhost> <20090311085738.4233df4e@mjolnir.ossman.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090311085738.4233df4e@mjolnir.ossman.eu> Sender: owner-linux-mm@kvack.org To: Pierre Ossman Cc: Andrew Morton , "bugme-daemon@bugzilla.kernel.org" , "linux-mm@kvack.org" , Ingo Molnar , Steven Rostedt List-ID: On Wed, Mar 11, 2009 at 09:57:38AM +0200, Pierre Ossman wrote: > On Wed, 11 Mar 2009 15:36:19 +0800 > Wu Fengguang wrote: > > > > > A quick question: are there any possibility of ftrace memory reservation? > > > > You tell me. CONFIG_FTRACE was always disabled, but CONFIG_HAVE_*FTRACE > is always on. FTRACE wasn't included in 2.6.26 though, and the bisect > showed only ftrace commits. So it would explain things. There are some __get_free_page() calls in kernel/trace/ring_buffer.c, maybe the pages are consumed by one of them? Thanks, Fengguang -- 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