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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
#ifndef __ASSEMBLER__
#include <linux/types.h>
typedef unsigned long pteval_t;
typedef unsigned long pmdval_t;
typedef unsigned long pudval_t;
typedef unsigned long p4dval_t;
typedef unsigned long pgdval_t;
typedef unsigned long pgprotval_t;
typedef union {
pteval_t pte;
pteval_t pte_low;
} pte_t;
#endif /* !__ASSEMBLER__ */
#define SHARED_KERNEL_PMD 0
#define ARCH_PAGE_TABLE_SYNC_MASK PGTBL_PMD_MODIFIED
/*
* Traditional i386 two-level paging structure:
*/
#define PGDIR_SHIFT 22
#define PTRS_PER_PGD 1024
/*
* The i386 is two-level, so we don't really have any
* PMD directory physically:
*/
#define PTRS_PER_PMD 1
#define PTRS_PER_PTE 1024
/* This covers all VMSPLIT_* and VMSPLIT_*_OPT variants */
#define PGD_KERNEL_START (CONFIG_PAGE_OFFSET >> PGDIR_SHIFT)
#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */
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