1 #ifndef __ASM_SH_PGTABLE_2LEVEL_H 2 #define __ASM_SH_PGTABLE_2LEVEL_H 3 4 #include <asm-generic/pgtable-nopmd.h> 5 6 /* 7 * traditional two-level paging structure 8 */ 9 #define PAGETABLE_LEVELS 2 10 11 /* PTE bits */ 12 #define PTE_MAGNITUDE 2 /* 32-bit PTEs */ 13 14 #define PTE_SHIFT PAGE_SHIFT 15 #define PTE_BITS (PTE_SHIFT - PTE_MAGNITUDE) 16 17 /* PGD bits */ 18 #define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) 19 20 #define PTRS_PER_PGD (PAGE_SIZE / (1 << PTE_MAGNITUDE)) 21 #define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) 22 23 #endif /* __ASM_SH_PGTABLE_2LEVEL_H */ 24