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Diffstat (limited to 'include/asm-x86/page_32.h')
-rw-r--r--include/asm-x86/page_32.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index 424e82f8ae2..73ed2e4ebf9 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -13,8 +13,17 @@
*/
#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL)
+#ifdef CONFIG_4KSTACKS
+#define THREAD_ORDER 0
+#else
+#define THREAD_ORDER 1
+#endif
+#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
+
+
#ifdef CONFIG_X86_PAE
-#define __PHYSICAL_MASK_SHIFT 36
+/* 44=32+12, the limit we can fit into an unsigned long pfn */
+#define __PHYSICAL_MASK_SHIFT 44
#define __VIRTUAL_MASK_SHIFT 32
#define PAGETABLE_LEVELS 3