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Diffstat (limited to 'arch/xtensa/include/asm/page.h')
-rw-r--r--arch/xtensa/include/asm/page.h35
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 */