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 +++++++++++++++ arch/sparc64/kernel/vmlinux.lds.S | 3 +++ include/asm-sparc64/pgtable.h | 1 + 3 files changed, 19 insertions(+) Index: linux-2.6/arch/sparc64/Kconfig =================================================================== --- linux-2.6.orig/arch/sparc64/Kconfig 2007-11-18 14:38:24.601033354 -0800 +++ linux-2.6/arch/sparc64/Kconfig 2007-11-18 21:14:11.476343425 -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 2007-11-18 14:38:24.609034022 -0800 +++ linux-2.6/include/asm-sparc64/pgtable.h 2007-11-18 21:14:11.504343895 -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) Index: linux-2.6/arch/sparc64/kernel/vmlinux.lds.S =================================================================== --- linux-2.6.orig/arch/sparc64/kernel/vmlinux.lds.S 2007-11-18 21:14:31.068844088 -0800 +++ linux-2.6/arch/sparc64/kernel/vmlinux.lds.S 2007-11-18 21:14:50.469421513 -0800 @@ -2,12 +2,15 @@ #include #include +#include OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc") OUTPUT_ARCH(sparc:v9a) ENTRY(_start) jiffies = jiffies_64; +cpu_area = CPU_AREA_BASE + SECTIONS { swapper_low_pmd_dir = 0x0000000000402000; -- - 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/