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generated by cgit v1.2.2 (git 2.25.0) at 2025-11-02 00:12:51 -0400
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#ifndef _ASM_X86_PAGE_32_H
#define _ASM_X86_PAGE_32_H

/*
 * This handles the memory map.
 *
 * A __PAGE_OFFSET of 0xC0000000 means that the kernel has
 * a virtual address space of one gigabyte, which limits the
 * amount of physical memory you can use to about 950MB.
 *
 * If you want more physical memory than this then see the CONFIG_HIGHMEM4G
 * and CONFIG_HIGHMEM64G options in the kernel configuration.
 */
#define __PAGE_OFFSET		_AC(CONFIG_PAGE_OFFSET, UL)

#ifdef CONFIG_4KSTACKS
#define THREAD_ORDER	0
#else
#define THREAD_ORDER	1
#endif
#define THREAD_SIZE 	(PAGE_SIZE << THREAD_ORDER)


#ifdef CONFIG_X86_PAE
/* 44=32+12, the limit we can fit into an unsigned long pfn */
#define __PHYSICAL_MASK_SHIFT	44
#define __VIRTUAL_MASK_SHIFT	32
#define PAGETABLE_LEVELS	3

#ifndef __ASSEMBLY__
typedef u64	pteval_t;
typedef u64	pmdval_t;
typedef u64	pudval_t;
typedef u64	pgdval_t;