diff options
Diffstat (limited to 'arch/xtensa/include/asm/page.h')
| -rw-r--r-- | arch/xtensa/include/asm/page.h | 35 |
1 files changed, 5 insertions, 30 deletions
diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 493eb7083b1a..20655174b111 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -11,18 +11,14 @@ #ifndef _XTENSA_PAGE_H #define _XTENSA_PAGE_H +#include <linux/const.h> + #include <asm/processor.h> #include <asm/types.h> #include <asm/cache.h> #include <asm/kmem_layout.h> -/* - * PAGE_SHIFT determines the page size - */ - -#define PAGE_SHIFT 12 -#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 @@ -84,7 +80,7 @@ #endif -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #define __pgprot(x) (x) @@ -107,26 +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); @@ -189,15 +167,12 @@ static inline unsigned long ___pa(unsigned long va) #endif #define __va(x) \ ((void *)((unsigned long) (x) - PHYS_OFFSET + PAGE_OFFSET)) -#define pfn_valid(pfn) \ - ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) #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__ */ +#endif /* __ASSEMBLER__ */ #include <asm-generic/memory_model.h> #endif /* _XTENSA_PAGE_H */ |
