asm-generic: rename page.h and uaccess.h

[sfrench/cifs-2.6.git] / arch / x86 / include / asm / page.h

diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 776579119a009feb1b2854a9ea18a68183d63243..625c3f0e741aab7bd75d839cadf7084c303baa61 100644 (file)
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -1,42 +1,11 @@
 #ifndef _ASM_X86_PAGE_H
 #define _ASM_X86_PAGE_H
 
-#include <linux/const.h>
-
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT     12
-#define PAGE_SIZE      (_AC(1,UL) << PAGE_SHIFT)
-#define PAGE_MASK      (~(PAGE_SIZE-1))
+#include <linux/types.h>
 
 #ifdef __KERNEL__
 
-#define __PHYSICAL_MASK                ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1)
-#define __VIRTUAL_MASK         ((1UL << __VIRTUAL_MASK_SHIFT) - 1)
-
-/* Cast PAGE_MASK to a signed type so that it is sign-extended if
-   virtual addresses are 32-bits but physical addresses are larger
-   (ie, 32-bit PAE). */
-#define PHYSICAL_PAGE_MASK     (((signed long)PAGE_MASK) & __PHYSICAL_MASK)
-
-/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
-#define PTE_PFN_MASK           ((pteval_t)PHYSICAL_PAGE_MASK)
-
-/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
-#define PTE_FLAGS_MASK         (~PTE_PFN_MASK)
-
-#define PMD_PAGE_SIZE          (_AC(1, UL) << PMD_SHIFT)
-#define PMD_PAGE_MASK          (~(PMD_PAGE_SIZE-1))
-
-#define HPAGE_SHIFT            PMD_SHIFT
-#define HPAGE_SIZE             (_AC(1,UL) << HPAGE_SHIFT)
-#define HPAGE_MASK             (~(HPAGE_SIZE - 1))
-#define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
-
-#define HUGE_MAX_HSTATE 2
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#endif
+#include <asm/page_types.h>
 
 #ifdef CONFIG_X86_64
 #include <asm/page_64.h>
@@ -44,38 +13,18 @@
 #include <asm/page_32.h>
 #endif /* CONFIG_X86_64 */
 
-#define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
-
-#define VM_DATA_DEFAULT_FLAGS \
-       (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
-        VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-
 #ifndef __ASSEMBLY__
 
-typedef struct { pgdval_t pgd; } pgd_t;
-typedef struct { pgprotval_t pgprot; } pgprot_t;
-
-extern int page_is_ram(unsigned long pagenr);
-extern int devmem_is_allowed(unsigned long pagenr);
-extern void map_devmem(unsigned long pfn, unsigned long size,
-                      pgprot_t vma_prot);
-extern void unmap_devmem(unsigned long pfn, unsigned long size,
-                        pgprot_t vma_prot);
-
-extern unsigned long max_low_pfn_mapped;
-extern unsigned long max_pfn_mapped;
-
 struct page;
 
 static inline void clear_user_page(void *page, unsigned long vaddr,
-                               struct page *pg)
+                                  struct page *pg)
 {
        clear_page(page);
 }
 
 static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
-                               struct page *topage)
+                                 struct page *topage)
 {
        copy_page(to, from);
 }
@@ -84,99 +33,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
        alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
 #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
 
-static inline pgd_t native_make_pgd(pgdval_t val)
-{
-       return (pgd_t) { val };
-}
-
-static inline pgdval_t native_pgd_val(pgd_t pgd)
-{
-       return pgd.pgd;
-}
-
-#if PAGETABLE_LEVELS >= 3
-#if PAGETABLE_LEVELS == 4
-typedef struct { pudval_t pud; } pud_t;
-
-static inline pud_t native_make_pud(pmdval_t val)
-{
-       return (pud_t) { val };
-}
-
-static inline pudval_t native_pud_val(pud_t pud)
-{
-       return pud.pud;
-}
-#else  /* PAGETABLE_LEVELS == 3 */
-#include <asm-generic/pgtable-nopud.h>
-
-static inline pudval_t native_pud_val(pud_t pud)
-{
-       return native_pgd_val(pud.pgd);
-}
-#endif /* PAGETABLE_LEVELS == 4 */
-
-typedef struct { pmdval_t pmd; } pmd_t;
-
-static inline pmd_t native_make_pmd(pmdval_t val)
-{
-       return (pmd_t) { val };
-}
-
-static inline pmdval_t native_pmd_val(pmd_t pmd)
-{
-       return pmd.pmd;
-}
-#else  /* PAGETABLE_LEVELS == 2 */
-#include <asm-generic/pgtable-nopmd.h>
-
-static inline pmdval_t native_pmd_val(pmd_t pmd)
-{
-       return native_pgd_val(pmd.pud.pgd);
-}
-#endif /* PAGETABLE_LEVELS >= 3 */
-
-static inline pte_t native_make_pte(pteval_t val)
-{
-       return (pte_t) { .pte = val };
-}
-
-static inline pteval_t native_pte_val(pte_t pte)
-{
-       return pte.pte;
-}
-
-static inline pteval_t native_pte_flags(pte_t pte)
-{
-       return native_pte_val(pte) & PTE_FLAGS_MASK;
-}
-
-#define pgprot_val(x)  ((x).pgprot)
-#define __pgprot(x)    ((pgprot_t) { (x) } )
-
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else  /* !CONFIG_PARAVIRT */
-
-#define pgd_val(x)     native_pgd_val(x)
-#define __pgd(x)       native_make_pgd(x)
-
-#ifndef __PAGETABLE_PUD_FOLDED
-#define pud_val(x)     native_pud_val(x)
-#define __pud(x)       native_make_pud(x)
-#endif
-
-#ifndef __PAGETABLE_PMD_FOLDED
-#define pmd_val(x)     native_pmd_val(x)
-#define __pmd(x)       native_make_pmd(x)
-#endif
-
-#define pte_val(x)     native_pte_val(x)
-#define pte_flags(x)   native_pte_flags(x)
-#define __pte(x)       native_make_pte(x)
-
-#endif /* CONFIG_PARAVIRT */
-
 #define __pa(x)                __phys_addr((unsigned long)(x))
 #define __pa_nodebug(x)        __phys_addr_nodebug((unsigned long)(x))
 /* __pa_symbol should be used for C visible symbols.
@@ -200,7 +56,7 @@ extern bool __virt_addr_valid(unsigned long kaddr);
 #endif /* __ASSEMBLY__ */
 
 #include <asm-generic/memory_model.h>
-#include <asm-generic/page.h>
+#include <asm-generic/getorder.h>
 
 #define __HAVE_ARCH_GATE_AREA 1