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author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 23:13:17 (GMT) |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 05:55:19 (GMT) |
commit | 8ede0bdb63305d3353efd97e9af6210afb05734e (patch) | |
tree | a9500a323d0a2dcadca43c23b5c20186f6d9b724 /include/asm-um/pgtable-2level.h | |
parent | 8569c9140bd41089f9b6be8837ca421102714a90 (diff) | |
download | linux-fsl-qoriq-8ede0bdb63305d3353efd97e9af6210afb05734e.tar.xz |
x86, um: initial part of asm-um move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-um/pgtable-2level.h')
-rw-r--r-- | include/asm-um/pgtable-2level.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-um/pgtable-2level.h b/include/asm-um/pgtable-2level.h deleted file mode 100644 index f534b73..0000000 --- a/include/asm-um/pgtable-2level.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Copyright 2003 PathScale, Inc. - * Derived from include/asm-i386/pgtable.h - * Licensed under the GPL - */ - -#ifndef __UM_PGTABLE_2LEVEL_H -#define __UM_PGTABLE_2LEVEL_H - -#include <asm-generic/pgtable-nopmd.h> - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ - -#define PGDIR_SHIFT 22 -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -/* - * entries per page directory level: the i386 is two-level, so - * we don't really have any PMD directory physically. - */ -#define PTRS_PER_PTE 1024 -#define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE) -#define PTRS_PER_PGD 1024 -#define FIRST_USER_ADDRESS 0 - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), \ - pte_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), \ - pgd_val(e)) - -static inline int pgd_newpage(pgd_t pgd) { return 0; } -static inline void pgd_mkuptodate(pgd_t pgd) { } - -#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval)) - -#define pte_pfn(x) phys_to_pfn(pte_val(x)) -#define pfn_pte(pfn, prot) __pte(pfn_to_phys(pfn) | pgprot_val(prot)) -#define pfn_pmd(pfn, prot) __pmd(pfn_to_phys(pfn) | pgprot_val(prot)) - -/* - * Bits 0 through 4 are taken - */ -#define PTE_FILE_MAX_BITS 27 - -#define pte_to_pgoff(pte) (pte_val(pte) >> 5) - -#define pgoff_to_pte(off) ((pte_t) { ((off) << 5) + _PAGE_FILE }) - -#endif |