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x86: create _types.h counterparts for page*.h

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Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
This commit is contained in:
Jeremy Fitzhardinge
2009-02-08 22:52:14 -08:00
committed by Jeremy Fitzhardinge
parent 1484096ceb
commit 51c78eb3f0
7 changed files with 389 additions and 248 deletions
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64
arch/x86/include/asm/page.h
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@@ -1,42 +1,9 @@
#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))
#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>
@@ -44,39 +11,18 @@
#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 pagerange_is_ram(unsigned long start, unsigned long end);
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);
}
@@ -102,8 +48,6 @@ static inline pgdval_t pgd_flags(pgd_t 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 };
@@ -127,8 +71,6 @@ static inline pudval_t pud_flags(pud_t pud)
return native_pud_val(pud) & PTE_FLAGS_MASK;
}
typedef struct { pmdval_t pmd; } pmd_t;
static inline pmd_t native_make_pmd(pmdval_t val)
{
return (pmd_t) { val };