diff options
Diffstat (limited to 'arch/x86/include/asm/pgtable_32_types.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable_32_types.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h new file mode 100644 index 000000000..5356a46b0 --- /dev/null +++ b/arch/x86/include/asm/pgtable_32_types.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_PGTABLE_32_TYPES_H +#define _ASM_X86_PGTABLE_32_TYPES_H + +/* + * The Linux x86 paging architecture is 'compile-time dual-mode', it + * implements both the traditional 2-level x86 page tables and the + * newer 3-level PAE-mode page tables. + */ +#ifdef CONFIG_X86_PAE +# include <asm/pgtable-3level_types.h> +# define PMD_SIZE (1UL << PMD_SHIFT) +# define PMD_MASK (~(PMD_SIZE - 1)) +#else +# include <asm/pgtable-2level_types.h> +#endif + +#define pgtable_l5_enabled() 0 + +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + +#endif /* _ASM_X86_PGTABLE_32_TYPES_H */ |