Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 19 Feb 2002 06:35:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 19 Feb 2002 06:35:25 -0500 Received: from dsl-213-023-040-169.arcor-ip.net ([213.23.40.169]:58775 "EHLO starship.berlin") by vger.kernel.org with ESMTP id ; Tue, 19 Feb 2002 06:35:17 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Linus Torvalds Subject: Re: [RFC] Page table sharing Date: Tue, 19 Feb 2002 12:39:15 +0100 X-Mailer: KMail [version 1.3.2] Cc: Rik van Riel , Hugh Dickins , , Kernel Mailing List , , Robert Love , , Andrew Morton , , In-Reply-To: In-Reply-To: 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 February 19, 2002 04:22 am, Linus Torvalds wrote: > That still leaves the TLB invalidation issue, but we could handle that > with an alternate approach: use the same "free_pte_ctx" kind of gathering > that the zap_page_range() code uses for similar reasons (ie gather up the > pte entries that you're going to free first, and then do a global > invalidate later). I think I'll fall back to unsharing the page table on swapout as Hugh suggested, until we sort this out. It's not that bad. -- 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/