aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/asm-x86/pgtable_32.h2
-rw-r--r--include/asm-x86/pgtable_64.h6
2 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 21e70fbf1dae..935630d17304 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -148,6 +148,8 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
148 */ 148 */
149#define pgd_offset_k(address) pgd_offset(&init_mm, address) 149#define pgd_offset_k(address) pgd_offset(&init_mm, address)
150 150
151static inline int pud_large(pud_t pud) { return 0; }
152
151/* 153/*
152 * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] 154 * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
153 * 155 *
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 5c86cff3ee79..bd4740a60f29 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -198,6 +198,12 @@ static inline unsigned long pmd_bad(pmd_t pmd)
198#define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address)) 198#define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address))
199#define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT) 199#define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT)
200 200
201static inline int pud_large(pud_t pte)
202{
203 return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) ==
204 (_PAGE_PSE|_PAGE_PRESENT);
205}
206
201/* PMD - Level 2 access */ 207/* PMD - Level 2 access */
202#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK)) 208#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK))
203#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) 209#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))