* David Mosberger-Tang <davidm@hpl.hp.com>
*/
-#include <linux/config.h>
-
#include <asm/intrinsics.h>
#include <asm/types.h>
#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)
# define HPAGE_MASK (~(HPAGE_SIZE - 1))
# define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-# define ARCH_HAS_HUGEPAGE_ONLY_RANGE
#endif /* CONFIG_HUGETLB_PAGE */
#ifdef __ASSEMBLY__
# define __pa(x) ((x) - PAGE_OFFSET)
# define __va(x) ((x) + PAGE_OFFSET)
#else /* !__ASSEMBLY */
-# ifdef __KERNEL__
# define STRICT_MM_TYPECHECKS
extern void clear_page (void *page);
} while (0)
-#define alloc_zeroed_user_highpage(vma, vaddr) \
-({ \
- struct page *page = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr); \
- if (page) \
- flush_dcache_page(page); \
- page; \
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+({ \
+ struct page *page = alloc_page_vma( \
+ GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr); \
+ if (page) \
+ flush_dcache_page(page); \
+ page; \
})
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
# define ia64_pfn_valid(pfn) 1
#endif
-#ifndef CONFIG_DISCONTIGMEM
-# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
-# define page_to_pfn(page) ((unsigned long) (page - mem_map))
-# define pfn_to_page(pfn) (mem_map + (pfn))
-#else
+#ifdef CONFIG_VIRTUAL_MEM_MAP
extern struct page *vmem_map;
-extern unsigned long max_low_pfn;
-# define pfn_valid(pfn) (((pfn) < max_low_pfn) && ia64_pfn_valid(pfn))
+#ifdef CONFIG_DISCONTIGMEM
# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
# define pfn_to_page(pfn) (vmem_map + (pfn))
+#else
+# include <asm-generic/memory_model.h>
+#endif
+#else
+# include <asm-generic/memory_model.h>
+#endif
+
+#ifdef CONFIG_FLATMEM
+# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
+#elif defined(CONFIG_DISCONTIGMEM)
+extern unsigned long min_low_pfn;
+extern unsigned long max_low_pfn;
+# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn))
#endif
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
typedef union ia64_va {
struct {
# define htlbpage_to_page(x) (((unsigned long) REGION_NUMBER(x) << 61) \
| (REGION_OFFSET(x) >> (HPAGE_SHIFT-PAGE_SHIFT)))
# define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
-# define is_hugepage_only_range(mm, addr, len) \
- (REGION_NUMBER(addr) == RGN_HPAGE && \
- REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE)
extern unsigned int hpage_shift;
#endif
return order;
}
-# endif /* __KERNEL__ */
#endif /* !__ASSEMBLY__ */
#ifdef STRICT_MM_TYPECHECKS
*/
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;
+ typedef struct page *pgtable_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)
typedef unsigned long pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long pgprot_t;
+ typedef struct page *pgtable_t;
# endif
# define pte_val(x) (x)