xref: /linux/arch/x86/include/asm/pgtable_32_types.h (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_PGTABLE_32_TYPES_H
3 #define _ASM_X86_PGTABLE_32_TYPES_H
4 
5 /*
6  * The Linux x86 paging architecture is 'compile-time dual-mode', it
7  * implements both the traditional 2-level x86 page tables and the
8  * newer 3-level PAE-mode page tables.
9  */
10 #ifdef CONFIG_X86_PAE
11 # include <asm/pgtable-3level_types.h>
12 # define PMD_SIZE	(1UL << PMD_SHIFT)
13 # define PMD_MASK	(~(PMD_SIZE - 1))
14 #else
15 # include <asm/pgtable-2level_types.h>
16 #endif
17 
18 #define pgtable_l5_enabled() 0
19 
20 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
21 #define PGDIR_MASK	(~(PGDIR_SIZE - 1))
22 
23 #endif /* _ASM_X86_PGTABLE_32_TYPES_H */
24