Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 9 Dec 2000 18:10:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 9 Dec 2000 18:10:10 -0500 Received: from saturn.cs.uml.edu ([129.63.8.2]:1284 "EHLO saturn.cs.uml.edu") by vger.kernel.org with ESMTP id ; Sat, 9 Dec 2000 18:09:56 -0500 From: "Albert D. Cahalan" Message-Id: <200012092238.eB9Mcx4118840@saturn.cs.uml.edu> Subject: Re: [PATCH] mm->rss is modified without page_table_lock held To: davem@redhat.com (David S. Miller) Date: Sat, 9 Dec 2000 17:38:59 -0500 (EST) Cc: kernel@tekno-soft.it, rasmus@jaquet.dk, torvalds@transmeta.com, linux-kernel@vger.kernel.org In-Reply-To: <200012091442.GAA20532@pizda.ninka.net> from "David S. Miller" at Dec 09, 2000 06:42:38 AM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > 32-bit Sparc has unsigned long as 32-bit, and the top 8 bits of the > atomic_t are used for a spinlock, thus a 27-bit atomic_t, there > is not enough precision. So the SPARC port is broken. It is just sick to have this "feature" screw things up for all the ports with a proper atomic_t. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/