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-rw-r--r--include/asm-ia64/page.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index 9d41548..5e6362a 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -47,8 +47,6 @@
#define PERCPU_PAGE_SHIFT 16 /* log2() of max. size of per-CPU area */
#define PERCPU_PAGE_SIZE (__IA64_UL_CONST(1) << PERCPU_PAGE_SHIFT)
-#define RGN_MAP_LIMIT ((1UL << (4*PAGE_SHIFT - 12)) - PAGE_SIZE) /* per region addr limit */
-
#ifdef CONFIG_HUGETLB_PAGE
# define HPAGE_REGION_BASE RGN_BASE(RGN_HPAGE)
@@ -112,8 +110,9 @@ extern int ia64_pfn_valid (unsigned long pfn);
# define pfn_to_page(pfn) (mem_map + (pfn))
#elif defined(CONFIG_DISCONTIGMEM)
extern struct page *vmem_map;
+extern unsigned long min_low_pfn;
extern unsigned long max_low_pfn;
-# define pfn_valid(pfn) (((pfn) < max_low_pfn) && ia64_pfn_valid(pfn))
+# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn))
# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
# define pfn_to_page(pfn) (vmem_map + (pfn))
#endif
@@ -175,11 +174,17 @@ get_order (unsigned long size)
*/
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long pmd; } pmd_t;
+#ifdef CONFIG_PGTABLE_4
+ typedef struct { unsigned long pud; } pud_t;
+#endif
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
# define pte_val(x) ((x).pte)
# define pmd_val(x) ((x).pmd)
+#ifdef CONFIG_PGTABLE_4
+# define pud_val(x) ((x).pud)
+#endif
# define pgd_val(x) ((x).pgd)
# define pgprot_val(x) ((x).pgprot)
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