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