Merge series "spi: spi-sun6i: One fix and some improvements" from Marc Kleine-Budde...
[linux-2.6-microblaze.git] / arch / x86 / include / asm / pgtable-2level_types.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
3 #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
4
5 #ifndef __ASSEMBLY__
6 #include <linux/types.h>
7
8 typedef unsigned long   pteval_t;
9 typedef unsigned long   pmdval_t;
10 typedef unsigned long   pudval_t;
11 typedef unsigned long   p4dval_t;
12 typedef unsigned long   pgdval_t;
13 typedef unsigned long   pgprotval_t;
14
15 typedef union {
16         pteval_t pte;
17         pteval_t pte_low;
18 } pte_t;
19 #endif  /* !__ASSEMBLY__ */
20
21 #define SHARED_KERNEL_PMD       0
22
23 #define ARCH_PAGE_TABLE_SYNC_MASK       PGTBL_PMD_MODIFIED
24
25 /*
26  * traditional i386 two-level paging structure:
27  */
28
29 #define PGDIR_SHIFT     22
30 #define PTRS_PER_PGD    1024
31
32
33 /*
34  * the i386 is two-level, so we don't really have any
35  * PMD directory physically.
36  */
37
38 #define PTRS_PER_PTE    1024
39
40 /* This covers all VMSPLIT_* and VMSPLIT_*_OPT variants */
41 #define PGD_KERNEL_START        (CONFIG_PAGE_OFFSET >> PGDIR_SHIFT)
42
43 #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */