From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay1.sgi.com ([192.48.171.29]:39561 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761498AbXKPXLF (ORCPT ); Fri, 16 Nov 2007 18:11:05 -0500 Message-Id: <20071116231104.048130087@sgi.com> References: <20071116230920.278761667@sgi.com> Date: Fri, 16 Nov 2007 15:09:28 -0800 From: Christoph Lameter Subject: [patch 08/30] cpu_alloc: Sparc64 support Content-Disposition: inline; filename=cpu_alloc_sparc64 Sender: linux-arch-owner@vger.kernel.org To: akpm@linux-foundation.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, David Miller , Eric Dumazet , Peter Zijlstra List-ID: Enable a simple virtual configuration with 32MB available per cpu so that we do not use a static area on sparc64. [Not tested. I have no sparc64] Signed-off-by: Christoph Lameter --- arch/sparc64/Kconfig | 15 +++++++++++++++ include/asm-sparc64/pgtable.h | 1 + 2 files changed, 16 insertions(+) Index: linux-2.6/arch/sparc64/Kconfig =================================================================== --- linux-2.6.orig/arch/sparc64/Kconfig 2007-11-15 21:24:46.942815842 -0800 +++ linux-2.6/arch/sparc64/Kconfig 2007-11-15 21:25:27.790904212 -0800 @@ -103,6 +103,21 @@ config SPARC64_PAGE_SIZE_4MB endchoice +config CPU_AREA_VIRTUAL + bool + default y + +config CPU_AREA_ORDER + int + default "11" if SPARC64_PAGE_SIZE_8KB + default "9" if SPARC64_PAGE_SIZE_64KB + default "6" if SPARC64_PAGE_SIZE_512KB + default "3" if SPARC64_PAGE_SIZE_4MB + +config CPU_AREA_ALLOC_ORDER + int + default "0" + config SECCOMP bool "Enable seccomp to safely compute untrusted bytecode" depends on PROC_FS Index: linux-2.6/include/asm-sparc64/pgtable.h =================================================================== --- linux-2.6.orig/include/asm-sparc64/pgtable.h 2007-11-15 21:24:46.950904404 -0800 +++ linux-2.6/include/asm-sparc64/pgtable.h 2007-11-15 21:25:27.794904145 -0800 @@ -43,6 +43,7 @@ #define VMALLOC_START _AC(0x0000000100000000,UL) #define VMALLOC_END _AC(0x0000000200000000,UL) #define VMEMMAP_BASE _AC(0x0000000200000000,UL) +#define CPU_AREA_BASE _AC(0x0000000300000000,UL) #define vmemmap ((struct page *)VMEMMAP_BASE) --