diff options
Diffstat (limited to 'include/asm-ia64/page.h')
| -rw-r--r-- | include/asm-ia64/page.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h index 9edffad8c28b..5e6362a786b7 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) @@ -102,24 +100,26 @@ do { \ #ifdef CONFIG_VIRTUAL_MEM_MAP extern int ia64_pfn_valid (unsigned long pfn); -#else +#elif defined(CONFIG_FLATMEM) # define ia64_pfn_valid(pfn) 1 #endif -#ifndef CONFIG_DISCONTIGMEM +#ifdef CONFIG_FLATMEM # 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 +#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 #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 { @@ -174,11 +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) |