diff options
Diffstat (limited to 'arch/xtensa/include/asm/page.h')
| -rw-r--r-- | arch/xtensa/include/asm/page.h | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 4db56ef052d2..644413792bf3 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -18,13 +18,7 @@ #include <asm/cache.h> #include <asm/kmem_layout.h> -/* - * PAGE_SHIFT determines the page size - */ - -#define PAGE_SHIFT CONFIG_PAGE_SHIFT -#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> #ifdef CONFIG_MMU #define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR @@ -109,26 +103,8 @@ typedef struct page *pgtable_t; #define __pgd(x) ((pgd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) -/* - * Pure 2^n version of get_order - * Use 'nsau' instructions if supported by the processor or the generic version. - */ - -#if XCHAL_HAVE_NSA - -static inline __attribute_const__ int get_order(unsigned long size) -{ - int lz; - asm ("nsau %0, %1" : "=r" (lz) : "r" ((size - 1) >> PAGE_SHIFT)); - return 32 - lz; -} - -#else - # include <asm-generic/getorder.h> -#endif - struct page; struct vm_area_struct; extern void clear_page(void *page); @@ -195,7 +171,6 @@ static inline unsigned long ___pa(unsigned long va) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) -#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #endif /* __ASSEMBLY__ */ |