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8#ifndef __UM_PGTABLE_2LEVEL_H
9#define __UM_PGTABLE_2LEVEL_H
10
11#include <asm-generic/pgtable-nopmd.h>
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14
15#define PGDIR_SHIFT 22
16#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
17#define PGDIR_MASK (~(PGDIR_SIZE-1))
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23#define PTRS_PER_PTE 1024
24#define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)
25#define PTRS_PER_PGD 1024
26
27#define pte_ERROR(e) \
28 printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), \
29 pte_val(e))
30#define pgd_ERROR(e) \
31 printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), \
32 pgd_val(e))
33
34static inline int pgd_newpage(pgd_t pgd) { return 0; }
35static inline void pgd_mkuptodate(pgd_t pgd) { }
36
37#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
38
39#define pte_pfn(x) phys_to_pfn(pte_val(x))
40#define pfn_pte(pfn, prot) __pte(pfn_to_phys(pfn) | pgprot_val(prot))
41#define pfn_pmd(pfn, prot) __pmd(pfn_to_phys(pfn) | pgprot_val(prot))
42
43#endif
44