1b924a281SJeremy Fitzhardinge #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H 2b924a281SJeremy Fitzhardinge #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H 3b924a281SJeremy Fitzhardinge 454321d94SJeremy Fitzhardinge #ifndef __ASSEMBLY__ 554321d94SJeremy Fitzhardinge #include <linux/types.h> 654321d94SJeremy Fitzhardinge 754321d94SJeremy Fitzhardinge typedef unsigned long pteval_t; 854321d94SJeremy Fitzhardinge typedef unsigned long pmdval_t; 954321d94SJeremy Fitzhardinge typedef unsigned long pudval_t; 1054321d94SJeremy Fitzhardinge typedef unsigned long pgdval_t; 1154321d94SJeremy Fitzhardinge typedef unsigned long pgprotval_t; 1254321d94SJeremy Fitzhardinge 1354321d94SJeremy Fitzhardinge typedef union { 1454321d94SJeremy Fitzhardinge pteval_t pte; 1554321d94SJeremy Fitzhardinge pteval_t pte_low; 1654321d94SJeremy Fitzhardinge } pte_t; 1754321d94SJeremy Fitzhardinge #endif /* !__ASSEMBLY__ */ 1854321d94SJeremy Fitzhardinge 19b924a281SJeremy Fitzhardinge #define SHARED_KERNEL_PMD 0 209b3651cbSJeremy Fitzhardinge #define PAGETABLE_LEVELS 2 21b924a281SJeremy Fitzhardinge 22b924a281SJeremy Fitzhardinge /* 23b924a281SJeremy Fitzhardinge * traditional i386 two-level paging structure: 24b924a281SJeremy Fitzhardinge */ 25b924a281SJeremy Fitzhardinge 26b924a281SJeremy Fitzhardinge #define PGDIR_SHIFT 22 27b924a281SJeremy Fitzhardinge #define PTRS_PER_PGD 1024 28b924a281SJeremy Fitzhardinge 299b3651cbSJeremy Fitzhardinge 30b924a281SJeremy Fitzhardinge /* 31b924a281SJeremy Fitzhardinge * the i386 is two-level, so we don't really have any 32b924a281SJeremy Fitzhardinge * PMD directory physically. 33b924a281SJeremy Fitzhardinge */ 34b924a281SJeremy Fitzhardinge 35b924a281SJeremy Fitzhardinge #define PTRS_PER_PTE 1024 36b924a281SJeremy Fitzhardinge 37b924a281SJeremy Fitzhardinge #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */ 38