diff options
Diffstat (limited to 'include/asm-x86_64/page.h')
| -rw-r--r-- | include/asm-x86_64/page.h | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h index 431318764af6..e5ab4d231f2c 100644 --- a/include/asm-x86_64/page.h +++ b/include/asm-x86_64/page.h @@ -28,11 +28,12 @@ #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) -#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE #ifdef __KERNEL__ #ifndef __ASSEMBLY__ +extern unsigned long end_pfn; + void clear_page(void *); void copy_page(void *, void *); @@ -92,20 +93,6 @@ typedef struct { unsigned long pgprot; } pgprot_t; #include <asm/bug.h> -/* Pure 2^n version of get_order */ -extern __inline__ int get_order(unsigned long size) -{ - int order; - - size = (size-1) >> (PAGE_SHIFT-1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - #endif /* __ASSEMBLY__ */ #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) @@ -126,7 +113,7 @@ extern __inline__ int get_order(unsigned long size) #ifdef CONFIG_FLATMEM #define pfn_to_page(pfn) (mem_map + (pfn)) #define page_to_pfn(page) ((unsigned long)((page) - mem_map)) -#define pfn_valid(pfn) ((pfn) < max_mapnr) +#define pfn_valid(pfn) ((pfn) < end_pfn) #endif #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) @@ -141,4 +128,6 @@ extern __inline__ int get_order(unsigned long size) #endif /* __KERNEL__ */ +#include <asm-generic/page.h> + #endif /* _X86_64_PAGE_H */ |