Signed-off-by: Andi Kleen

---
include/asm-x86/pgtable_32.h | 2 ++
include/asm-x86/pgtable_64.h | 6 ++++++
2 files changed, 8 insertions(+)

Index: linux/include/asm-x86/pgtable_64.h
================================================== =================
--- linux.orig/include/asm-x86/pgtable_64.h
+++ linux/include/asm-x86/pgtable_64.h
@@ -199,6 +199,12 @@ static inline unsigned long pmd_bad(pmd_
#define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address))
#define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT)

+static inline int pud_large(pud_t pte)
+{
+ return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) ==
+ (_PAGE_PSE|_PAGE_PRESENT);
+}
+
/* PMD - Level 2 access */
#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK))
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
Index: linux/include/asm-x86/pgtable_32.h
================================================== =================
--- linux.orig/include/asm-x86/pgtable_32.h
+++ linux/include/asm-x86/pgtable_32.h
@@ -148,6 +148,8 @@ static inline void clone_pgd_range(pgd_t
*/
#define pgd_offset_k(address) pgd_offset(&init_mm, address)

+static inline int pud_large(pud_t pud) { return 0; }
+
/*
* the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
*
--
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