Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 14 Mar 2002 13:39:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 14 Mar 2002 13:38:57 -0500 Received: from dsl-213-023-038-002.arcor-ip.net ([213.23.38.2]:26533 "EHLO starship") by vger.kernel.org with ESMTP id ; Thu, 14 Mar 2002 13:38:44 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Momchil Velikov , Anton Blanchard Subject: Re: [Lse-tech] Re: 10.31 second kernel compile Date: Thu, 14 Mar 2002 19:33:40 +0100 X-Mailer: KMail [version 1.3.2] Cc: "Martin J. Bligh" , lse-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org In-Reply-To: <20020313085217.GA11658@krispykreme> <20020314112725.GA2008@krispykreme> <87wuwfxp25.fsf@fadata.bg> In-Reply-To: <87wuwfxp25.fsf@fadata.bg> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On March 14, 2002 02:21 pm, Momchil Velikov wrote: > >>>>> "Anton" == Anton Blanchard writes: > Anton> Thats due to the way we manipulate the ppc hashed page table. Every > Anton> time we update the linux page tables we have to update the hashed > Anton> page table. There are some obvious optimisations we need to make, > > Out of curiousity, why there's a need to update the linux page tables ? > Doesn't pte/pmd/pgd family functions provide enough abstraction in > order to maintain _only_ the hashed page table ? No, it's hardwired to the x86 tree view of page translation. -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/