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 <[email protected]>
---
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)
--
-
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