Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030288AbVKCDZi (ORCPT ); Wed, 2 Nov 2005 22:25:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030291AbVKCDZi (ORCPT ); Wed, 2 Nov 2005 22:25:38 -0500 Received: from ozlabs.org ([203.10.76.45]:62658 "EHLO ozlabs.org") by vger.kernel.org with ESMTP id S1030288AbVKCDZi (ORCPT ); Wed, 2 Nov 2005 22:25:38 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17257.33037.210237.986072@cargo.ozlabs.ibm.com> Date: Thu, 3 Nov 2005 14:16:29 +1100 From: Paul Mackerras To: Benjamin Herrenschmidt Cc: Andrew Morton , linuxppc64-dev , Linus Torvalds , Linux Kernel list Subject: Re: [PATCH] ppc64: 64K pages support In-Reply-To: <1130916198.20136.17.camel@gaston> References: <1130915220.20136.14.camel@gaston> <1130916198.20136.17.camel@gaston> X-Mailer: VM 7.19 under Emacs 21.4.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1014 Lines: 22 Benjamin Herrenschmidt writes: > It took a while, but finally, here is the 64K pages support patch for > ppc64. This patch adds a new CONFIG_PPC_64K_PAGES which, when enabled, > changes the kernel base page size to 64K. The resulting kernel still > boots on any hardware. On current machines with 4K pages support only, > the kernel will maintain 16 "subpages" for each 64K page > transparently. > > Note that while real 64K capable HW has been tested, the current patch > will not enable it yet as such hardware is not released yet, and I'm > still verifying with the firmware architects the proper to get the > information from the newer hypervisors. > > Signed-off-by: Benjamin Herrenschmidt Acked-by: Paul Mackerras - 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/