#ifndef _I386_PAGE_H
#define _I386_PAGE_H
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
-
-#define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1))
-#define LARGE_PAGE_SIZE (1UL << PMD_SHIFT)
-
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
-#ifdef CONFIG_X86_USE_3DNOW
-
-#include <asm/mmx.h>
-
-#define clear_page(page) mmx_clear_page((void *)(page))
-#define copy_page(to,from) mmx_copy_page(to,from)
-
-#else
-
-/*
- * On older X86 processors it's not a win to use MMX here it seems.
- * Maybe the K6-III ?
- */
-
-#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
-#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
-
-#endif
-
-#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
-
/*
* These are used to make use of C type-checking..
*/
#define __pmd(x) native_make_pmd(x)
#endif
-#define HPAGE_SHIFT 21
#include <asm-generic/pgtable-nopud.h>
#else /* !CONFIG_X86_PAE */
typedef struct { unsigned long pte_low; } pte_t;
return (pte_t) { .pte_low = val };
}
-#define HPAGE_SHIFT 22
#include <asm-generic/pgtable-nopmd.h>
#endif /* CONFIG_X86_PAE */
#define PTE_MASK PAGE_MASK
-#ifdef CONFIG_HUGETLB_PAGE
-#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)
-#define HPAGE_MASK (~(HPAGE_SIZE - 1))
-#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
-#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-#endif
-
#define pgprot_val(x) ((x).pgprot)
#define __pgprot(x) ((pgprot_t) { (x) } )
#endif /* !__ASSEMBLY__ */
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-
-/*
- * This handles the memory map.. We could make this a config
- * option, but too many people screw it up, and too few need
- * it.
- *
- * A __PAGE_OFFSET of 0xC0000000 means that the kernel has
- * a virtual address space of one gigabyte, which limits the
- * amount of physical memory you can use to about 950MB.
- *
- * If you want more physical memory than this then see the CONFIG_HIGHMEM4G
- * and CONFIG_HIGHMEM64G options in the kernel configuration.
- */
-
#ifndef __ASSEMBLY__
struct vm_area_struct;
#endif /* __ASSEMBLY__ */
-#ifdef __ASSEMBLY__
-#define __PAGE_OFFSET CONFIG_PAGE_OFFSET
-#else
-#define __PAGE_OFFSET ((unsigned long)CONFIG_PAGE_OFFSET)
-#endif
-
-
-#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
#define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE)
#define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE)
#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | \
- ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>