x86: Split pgtable_32.h into pgtable_32.h and pgtable_32_types.h

#ifndef _ASM_X86_PGTABLE_32_H

#define _ASM_X86_PGTABLE_32_H

#include <asm/pgtable_32_types.h>

/*

 * The Linux memory management assumes a three-level page table setup. On

extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);

/*

 * 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 PGDIR_SIZE	(1UL << PGDIR_SHIFT)

#define PGDIR_MASK	(~(PGDIR_SIZE - 1))

/* Just any arbitrary offset to the start of the vmalloc VM area: the

 * current 8MB value just means that there will be a 8MB "hole" after the

 * physical memory until the kernel virtual memory starts.  That means that

 * any out-of-bounds memory accesses will hopefully be caught.

 * The vmalloc() routines leaves a hole of 4kB between each vmalloced

 * area for the same reason. ;)

 */

#define VMALLOC_OFFSET	(8 * 1024 * 1024)

#define VMALLOC_START	((unsigned long)high_memory + VMALLOC_OFFSET)

#ifdef CONFIG_X86_PAE

#define LAST_PKMAP 512

#else

#define LAST_PKMAP 1024

#endif

#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1))	\

		    & PMD_MASK)

#ifdef CONFIG_HIGHMEM

# define VMALLOC_END	(PKMAP_BASE - 2 * PAGE_SIZE)

#else

# define VMALLOC_END	(FIXADDR_START - 2 * PAGE_SIZE)

#endif

#define MAXMEM	(VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE)

/*

 * Define this if things work differently on an i386 and an i486:

#ifndef _ASM_X86_PGTABLE_32_DEFS_H

#define _ASM_X86_PGTABLE_32_DEFS_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 PGDIR_SIZE	(1UL << PGDIR_SHIFT)

#define PGDIR_MASK	(~(PGDIR_SIZE - 1))

/* Just any arbitrary offset to the start of the vmalloc VM area: the

 * current 8MB value just means that there will be a 8MB "hole" after the

 * physical memory until the kernel virtual memory starts.  That means that

 * any out-of-bounds memory accesses will hopefully be caught.

 * The vmalloc() routines leaves a hole of 4kB between each vmalloced

 * area for the same reason. ;)

 */

#define VMALLOC_OFFSET	(8 * 1024 * 1024)

#define VMALLOC_START	((unsigned long)high_memory + VMALLOC_OFFSET)

#ifdef CONFIG_X86_PAE

#define LAST_PKMAP 512

#else

#define LAST_PKMAP 1024

#endif

#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1))	\

		    & PMD_MASK)

#ifdef CONFIG_HIGHMEM

# define VMALLOC_END	(PKMAP_BASE - 2 * PAGE_SIZE)

#else

# define VMALLOC_END	(FIXADDR_START - 2 * PAGE_SIZE)

#endif

#define MAXMEM	(VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE)

#endif /* _ASM_X86_PGTABLE_32_DEFS_H */