From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 22 Apr 2003 13:07:57 -0400 (EDT) From: Ingo Molnar Subject: Re: objrmap and vmtruncate In-Reply-To: <20030422165842.GG8931@holomorphy.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: William Lee Irwin III Cc: "Martin J. Bligh" , Andrew Morton , Andrea Arcangeli , mingo@elte.hu, hugh@veritas.com, dmccr@us.ibm.com, Linus Torvalds , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Tue, 22 Apr 2003, William Lee Irwin III wrote: > ISTR it being something on the order of running 32 instances of top(1), > one per cpu, and then trying to fork(). oh, have you run any of the /proc fixes floating around? It still has some pretty bad (quadratic) stuff left in, and done under tasklist_lock read-help - if any write_lock_irq() of the tasklist lock hits this code then you get an NMI assert. Please try either Manfred's or mine. Ingo -- 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: aart@kvack.org