FRV: Move to arch/frv/include/asm/

Move arch headers from include/asm-frv/ to arch/frv/include/asm/.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 0 insertions, 549 deletions

diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
deleted file mode 100644
index 33233011b1c..00000000000
--- a/include/asm-frv/pgtable.h
+++ /dev/null
@@ -1,549 +0,0 @@
-/* pgtable.h: FR-V page table mangling
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Derived from:
- *	include/asm-m68knommu/pgtable.h
- *	include/asm-i386/pgtable.h
- */
-
-#ifndef _ASM_PGTABLE_H
-#define _ASM_PGTABLE_H
-
-#include <asm/mem-layout.h>
-#include <asm/setup.h>
-#include <asm/processor.h>
-
-#ifndef __ASSEMBLY__
-#include <linux/threads.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/sched.h>
-struct vm_area_struct;
-#endif
-
-#ifndef __ASSEMBLY__
-#if defined(CONFIG_HIGHPTE)
-typedef unsigned long pte_addr_t;
-#else
-typedef pte_t *pte_addr_t;
-#endif
-#endif
-
-/*****************************************************************************/
-/*
- * MMU-less operation case first
- */
-#ifndef CONFIG_MMU
-
-#define pgd_present(pgd)	(1)		/* pages are always present on NO_MM */
-#define pgd_none(pgd)		(0)
-#define pgd_bad(pgd)		(0)
-#define pgd_clear(pgdp)
-#define kern_addr_valid(addr)	(1)
-#define	pmd_offset(a, b)	((void *) 0)
-
-#define PAGE_NONE		__pgprot(0)	/* these mean nothing to NO_MM */
-#define PAGE_SHARED		__pgprot(0)	/* these mean nothing to NO_MM */
-#define PAGE_COPY		__pgprot(0)	/* these mean nothing to NO_MM */
-#define PAGE_READONLY		__pgprot(0)	/* these mean nothing to NO_MM */
-#define PAGE_KERNEL		__pgprot(0)	/* these mean nothing to NO_MM */
-
-#define __swp_type(x)		(0)
-#define __swp_offset(x)		(0)
-#define __swp_entry(typ,off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
-#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
-
-#ifndef __ASSEMBLY__
-static inline int pte_file(pte_t pte) { return 0; }
-#endif
-
-#define ZERO_PAGE(vaddr)	({ BUG(); NULL; })
-
-#define swapper_pg_dir		((pgd_t *) NULL)
-
-#define pgtable_cache_init()		do {} while (0)
-
-#include <asm-generic/pgtable.h>
-
-#else /* !CONFIG_MMU */
-/*****************************************************************************/
-/*
- * then MMU operation
- */
-
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-#ifndef __ASSEMBLY__
-extern unsigned long empty_zero_page;
-#define ZERO_PAGE(vaddr)	virt_to_page(empty_zero_page)
-#endif
-
-/*
- * we use 2-level page tables, folding the PMD (mid-level table) into the PGE (top-level entry)
- * [see Documentation/frv/mmu-layout.txt]
- *
- * Page Directory:
- *  - Size: 16KB
- *  - 64 PGEs per PGD
- *  - Each PGE holds 1 PUD and covers 64MB
- *
- * Page Upper Directory:
- *  - Size: 256B
- *  - 1 PUE per PUD
- *  - Each PUE holds 1 PMD and covers 64MB
- *
- * Page Mid-Level Directory
- *  - Size: 256B
- *  - 1 PME per PMD
- *  - Each PME holds 64 STEs, all of which point to separate chunks of the same Page Table
- *  - All STEs are instantiated at the same time
- *
- * Page Table
- *  - Size: 16KB
- *  - 4096 PTEs per PT
- *  - Each Linux PT is subdivided into 64 FR451 PT's, each of which holds 64 entries
- *
- * Pages
- *  - Size: 4KB
- *
- * total PTEs
- *	= 1 PML4E * 64 PGEs * 1 PUEs * 1 PMEs * 4096 PTEs
- *	= 1 PML4E * 64 PGEs * 64 STEs * 64 PTEs/FR451-PT
- *	= 262144 (or 256 * 1024)
- */
-#define PGDIR_SHIFT		26
-#define PGDIR_SIZE		(1UL << PGDIR_SHIFT)
-#define PGDIR_MASK		(~(PGDIR_SIZE - 1))
-#define PTRS_PER_PGD		64
-
-#define PUD_SHIFT		26
-#define PTRS_PER_PUD		1
-#define PUD_SIZE		(1UL << PUD_SHIFT)
-#define PUD_MASK		(~(PUD_SIZE - 1))
-#define PUE_SIZE		256
-
-#define PMD_SHIFT		26
-#define PMD_SIZE		(1UL << PMD_SHIFT)
-#define PMD_MASK		(~(PMD_SIZE - 1))
-#define PTRS_PER_PMD		1
-#define PME_SIZE		256
-
-#define __frv_PT_SIZE		256
-
-#define PTRS_PER_PTE		4096
-
-#define USER_PGDS_IN_LAST_PML4	(TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_ADDRESS	0
-
-#define USER_PGD_PTRS		(PAGE_OFFSET >> PGDIR_SHIFT)
-#define KERNEL_PGD_PTRS		(PTRS_PER_PGD - USER_PGD_PTRS)
-
-#define TWOLEVEL_PGDIR_SHIFT	26
-#define BOOT_USER_PGD_PTRS	(__PAGE_OFFSET >> TWOLEVEL_PGDIR_SHIFT)
-#define BOOT_KERNEL_PGD_PTRS	(PTRS_PER_PGD - BOOT_USER_PGD_PTRS)
-
-#ifndef __ASSEMBLY__
-
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-
-#define pte_ERROR(e) \
-	printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte)
-#define pmd_ERROR(e) \
-	printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))
-#define pud_ERROR(e) \
-	printk("%s:%d: bad pud %08lx.\n", __FILE__, __LINE__, pmd_val(pud_val(e)))
-#define pgd_ERROR(e) \
-	printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pmd_val(pud_val(pgd_val(e))))
-
-/*
- * Certain architectures need to do special things when PTEs
- * within a page table are directly modified.  Thus, the following
- * hook is made available.
- */
-#define set_pte(pteptr, pteval)				\
-do {							\
-	*(pteptr) = (pteval);				\
-	asm volatile("dcf %M0" :: "U"(*pteptr));	\
-} while(0)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
-/*
- * pgd_offset() returns a (pgd_t *)
- * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
- */
-#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
-
-/*
- * a shortcut which implies the use of the kernel's pgd, instead
- * of a process's
- */
-#define pgd_offset_k(address) pgd_offset(&init_mm, address)
-
-/*
- * The "pgd_xxx()" functions here are trivial for a folded two-level
- * setup: the pud is never bad, and a pud always exists (as it's folded
- * into the pgd entry)
- */
-static inline int pgd_none(pgd_t pgd)		{ return 0; }
-static inline int pgd_bad(pgd_t pgd)		{ return 0; }
-static inline int pgd_present(pgd_t pgd)	{ return 1; }
-static inline void pgd_clear(pgd_t *pgd)	{ }
-
-#define pgd_populate(mm, pgd, pud)		do { } while (0)
-/*
- * (puds are folded into pgds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
- */
-#define set_pgd(pgdptr, pgdval)				\
-do {							\
-	memcpy((pgdptr), &(pgdval), sizeof(pgd_t));	\
-	asm volatile("dcf %M0" :: "U"(*(pgdptr)));	\
-} while(0)
-
-static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
-{
-	return (pud_t *) pgd;
-}
-
-#define pgd_page(pgd)				(pud_page((pud_t){ pgd }))
-#define pgd_page_vaddr(pgd)			(pud_page_vaddr((pud_t){ pgd }))
-
-/*
- * allocating and freeing a pud is trivial: the 1-entry pud is
- * inside the pgd, so has no extra memory associated with it.
- */
-#define pud_alloc_one(mm, address)		NULL
-#define pud_free(mm, x)				do { } while (0)
-#define __pud_free_tlb(tlb, x)			do { } while (0)
-
-/*
- * The "pud_xxx()" functions here are trivial for a folded two-level
- * setup: the pmd is never bad, and a pmd always exists (as it's folded
- * into the pud entry)
- */
-static inline int pud_none(pud_t pud)		{ return 0; }
-static inline int pud_bad(pud_t pud)		{ return 0; }
-static inline int pud_present(pud_t pud)	{ return 1; }
-static inline void pud_clear(pud_t *pud)	{ }
-
-#define pud_populate(mm, pmd, pte)		do { } while (0)
-
-/*
- * (pmds are folded into puds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
- */
-#define set_pud(pudptr, pudval)			set_pmd((pmd_t *)(pudptr), (pmd_t) { pudval })
-
-#define pud_page(pud)				(pmd_page((pmd_t){ pud }))
-#define pud_page_vaddr(pud)			(pmd_page_vaddr((pmd_t){ pud }))
-
-/*
- * (pmds are folded into pgds so this doesn't get actually called,
- * but the define is needed for a generic inline function.)
- */
-extern void __set_pmd(pmd_t *pmdptr, unsigned long __pmd);
-
-#define set_pmd(pmdptr, pmdval)			\
-do {						\
-	__set_pmd((pmdptr), (pmdval).ste[0]);	\
-} while(0)
-
-#define __pmd_index(address)			0
-
-static inline pmd_t *pmd_offset(pud_t *dir, unsigned long address)
-{
-	return (pmd_t *) dir + __pmd_index(address);
-}
-
-#define pte_same(a, b)		((a).pte == (b).pte)
-#define pte_page(x)		(mem_map + ((unsigned long)(((x).pte >> PAGE_SHIFT))))
-#define pte_none(x)		(!(x).pte)
-#define pte_pfn(x)		((unsigned long)(((x).pte >> PAGE_SHIFT)))
-#define pfn_pte(pfn, prot)	__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define pfn_pmd(pfn, prot)	__pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-
-#define VMALLOC_VMADDR(x)	((unsigned long) (x))
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * control flags in AMPR registers and TLB entries
- */
-#define _PAGE_BIT_PRESENT	xAMPRx_V_BIT
-#define _PAGE_BIT_WP		DAMPRx_WP_BIT
-#define _PAGE_BIT_NOCACHE	xAMPRx_C_BIT
-#define _PAGE_BIT_SUPER		xAMPRx_S_BIT
-#define _PAGE_BIT_ACCESSED	xAMPRx_RESERVED8_BIT
-#define _PAGE_BIT_DIRTY		xAMPRx_M_BIT
-#define _PAGE_BIT_NOTGLOBAL	xAMPRx_NG_BIT
-
-#define _PAGE_PRESENT		xAMPRx_V
-#define _PAGE_WP		DAMPRx_WP
-#define _PAGE_NOCACHE		xAMPRx_C
-#define _PAGE_SUPER		xAMPRx_S
-#define _PAGE_ACCESSED		xAMPRx_RESERVED8	/* accessed if set */
-#define _PAGE_DIRTY		xAMPRx_M
-#define _PAGE_NOTGLOBAL		xAMPRx_NG
-
-#define _PAGE_RESERVED_MASK	(xAMPRx_RESERVED8 | xAMPRx_RESERVED13)
-
-#define _PAGE_FILE		0x002	/* set:pagecache unset:swap */
-#define _PAGE_PROTNONE		0x000	/* If not present */
-
-#define _PAGE_CHG_MASK		(PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
-
-#define __PGPROT_BASE \
-	(_PAGE_PRESENT | xAMPRx_SS_16Kb | xAMPRx_D | _PAGE_NOTGLOBAL | _PAGE_ACCESSED)
-
-#define PAGE_NONE	__pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED)
-#define PAGE_SHARED	__pgprot(__PGPROT_BASE)
-#define PAGE_COPY	__pgprot(__PGPROT_BASE | _PAGE_WP)
-#define PAGE_READONLY	__pgprot(__PGPROT_BASE | _PAGE_WP)
-
-#define __PAGE_KERNEL		(__PGPROT_BASE | _PAGE_SUPER | _PAGE_DIRTY)
-#define __PAGE_KERNEL_NOCACHE	(__PGPROT_BASE | _PAGE_SUPER | _PAGE_DIRTY | _PAGE_NOCACHE)
-#define __PAGE_KERNEL_RO	(__PGPROT_BASE | _PAGE_SUPER | _PAGE_DIRTY | _PAGE_WP)
-
-#define MAKE_GLOBAL(x) __pgprot((x) & ~_PAGE_NOTGLOBAL)
-
-#define PAGE_KERNEL		MAKE_GLOBAL(__PAGE_KERNEL)
-#define PAGE_KERNEL_RO		MAKE_GLOBAL(__PAGE_KERNEL_RO)
-#define PAGE_KERNEL_NOCACHE	MAKE_GLOBAL(__PAGE_KERNEL_NOCACHE)
-
-#define _PAGE_TABLE		(_PAGE_PRESENT | xAMPRx_SS_16Kb)
-
-#ifndef __ASSEMBLY__
-
-/*
- * The FR451 can do execute protection by virtue of having separate TLB miss handlers for
- * instruction access and for data access. However, we don't have enough reserved bits to say
- * "execute only", so we don't bother. If you can read it, you can execute it and vice versa.
- */
-#define __P000	PAGE_NONE
-#define __P001	PAGE_READONLY
-#define __P010	PAGE_COPY
-#define __P011	PAGE_COPY
-#define __P100	PAGE_READONLY
-#define __P101	PAGE_READONLY
-#define __P110	PAGE_COPY
-#define __P111	PAGE_COPY
-
-#define __S000	PAGE_NONE
-#define __S001	PAGE_READONLY
-#define __S010	PAGE_SHARED
-#define __S011	PAGE_SHARED
-#define __S100	PAGE_READONLY
-#define __S101	PAGE_READONLY
-#define __S110	PAGE_SHARED
-#define __S111	PAGE_SHARED
-
-/*
- * Define this to warn about kernel memory accesses that are
- * done without a 'access_ok(VERIFY_WRITE,..)'
- */
-#undef TEST_ACCESS_OK
-
-#define pte_present(x)	(pte_val(x) & _PAGE_PRESENT)
-#define pte_clear(mm,addr,xp)	do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
-
-#define pmd_none(x)	(!pmd_val(x))
-#define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
-#define	pmd_bad(x)	(pmd_val(x) & xAMPRx_SS)
-#define pmd_clear(xp)	do { __set_pmd(xp, 0); } while(0)
-
-#define pmd_page_vaddr(pmd) \
-	((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
-
-#ifndef CONFIG_DISCONTIGMEM
-#define pmd_page(pmd)	(pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
-#endif
-
-#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
-
-/*
- * The following only work if pte_present() is true.
- * Undefined behaviour if not..
- */
-static inline int pte_dirty(pte_t pte)		{ return (pte).pte & _PAGE_DIRTY; }
-static inline int pte_young(pte_t pte)		{ return (pte).pte & _PAGE_ACCESSED; }
-static inline int pte_write(pte_t pte)		{ return !((pte).pte & _PAGE_WP); }
-static inline int pte_special(pte_t pte)	{ return 0; }
-
-static inline pte_t pte_mkclean(pte_t pte)	{ (pte).pte &= ~_PAGE_DIRTY; return pte; }
-static inline pte_t pte_mkold(pte_t pte)	{ (pte).pte &= ~_PAGE_ACCESSED; return pte; }
-static inline pte_t pte_wrprotect(pte_t pte)	{ (pte).pte |= _PAGE_WP; return pte; }
-static inline pte_t pte_mkdirty(pte_t pte)	{ (pte).pte |= _PAGE_DIRTY; return pte; }
-static inline pte_t pte_mkyoung(pte_t pte)	{ (pte).pte |= _PAGE_ACCESSED; return pte; }
-static inline pte_t pte_mkwrite(pte_t pte)	{ (pte).pte &= ~_PAGE_WP; return pte; }
-static inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
-
-static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
-{
-	int i = test_and_clear_bit(_PAGE_BIT_ACCESSED, ptep);
-	asm volatile("dcf %M0" :: "U"(*ptep));
-	return i;
-}
-
-static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	unsigned long x = xchg(&ptep->pte, 0);
-	asm volatile("dcf %M0" :: "U"(*ptep));
-	return __pte(x);
-}
-
-static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	set_bit(_PAGE_BIT_WP, ptep);
-	asm volatile("dcf %M0" :: "U"(*ptep));
-}
-
-/*
- * Macro to mark a page protection value as "uncacheable"
- */
-#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | _PAGE_NOCACHE))
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-
-#define mk_pte(page, pgprot)	pfn_pte(page_to_pfn(page), (pgprot))
-#define mk_pte_huge(entry)	((entry).pte_low |= _PAGE_PRESENT | _PAGE_PSE)
-
-/* This takes a physical page address that is used by the remapping functions */
-#define mk_pte_phys(physpage, pgprot)	pfn_pte((physpage) >> PAGE_SHIFT, pgprot)
-
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
-	pte.pte &= _PAGE_CHG_MASK;
-	pte.pte |= pgprot_val(newprot);
-	return pte;
-}
-
-/* to find an entry in a page-table-directory. */
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
-#define pgd_index_k(addr) pgd_index(addr)
-
-/* Find an entry in the bottom-level page table.. */
-#define __pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-
-/*
- * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE]
- *
- * this macro returns the index of the entry in the pte page which would
- * control the given virtual address
- */
-#define pte_index(address) \
-		(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-#define pte_offset_kernel(dir, address) \
-	((pte_t *) pmd_page_vaddr(*(dir)) +  pte_index(address))
-
-#if defined(CONFIG_HIGHPTE)
-#define pte_offset_map(dir, address) \
-	((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + pte_index(address))
-#define pte_offset_map_nested(dir, address) \
-	((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + pte_index(address))
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
-#else
-#define pte_offset_map(dir, address) \
-	((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map((dir), (address))
-#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
-#endif
-
-/*
- * Handle swap and file entries
- * - the PTE is encoded in the following format:
- *	bit 0:		Must be 0 (!_PAGE_PRESENT)
- *	bit 1:		Type: 0 for swap, 1 for file (_PAGE_FILE)
- *	bits 2-7:	Swap type
- *	bits 8-31:	Swap offset
- *	bits 2-31:	File pgoff
- */
-#define __swp_type(x)			(((x).val >> 2) & 0x1f)
-#define __swp_offset(x)			((x).val >> 8)
-#define __swp_entry(type, offset)	((swp_entry_t) { ((type) << 2) | ((offset) << 8) })
-#define __pte_to_swp_entry(_pte)	((swp_entry_t) { (_pte).pte })
-#define __swp_entry_to_pte(x)		((pte_t) { (x).val })
-
-static inline int pte_file(pte_t pte)
-{
-	return pte.pte & _PAGE_FILE;
-}
-
-#define PTE_FILE_MAX_BITS	29
-
-#define pte_to_pgoff(PTE)	((PTE).pte >> 2)
-#define pgoff_to_pte(off)	__pte((off) << 2 | _PAGE_FILE)
-
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define PageSkip(page)		(0)
-#define kern_addr_valid(addr)	(1)
-
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
-		remap_pfn_range(vma, vaddr, pfn, size, prot)
-
-#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-#define __HAVE_ARCH_PTEP_SET_WRPROTECT
-#define __HAVE_ARCH_PTE_SAME
-#include <asm-generic/pgtable.h>
-
-/*
- * preload information about a newly instantiated PTE into the SCR0/SCR1 PGE cache
- */
-static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
-{
-	struct mm_struct *mm;
-	unsigned long ampr;
-
-	mm = current->mm;
-	if (mm) {
-		pgd_t *pge = pgd_offset(mm, address);
-		pud_t *pue = pud_offset(pge, address);
-		pmd_t *pme = pmd_offset(pue, address);
-
-		ampr = pme->ste[0] & 0xffffff00;
-		ampr |= xAMPRx_L | xAMPRx_SS_16Kb | xAMPRx_S | xAMPRx_C |
-			xAMPRx_V;
-	} else {
-		address = ULONG_MAX;
-		ampr = 0;
-	}
-
-	asm volatile("movgs %0,scr0\n"
-		     "movgs %0,scr1\n"
-		     "movgs %1,dampr4\n"
-		     "movgs %1,dampr5\n"
-		     :
-		     : "r"(address), "r"(ampr)
-		     );
-}
-
-#ifdef CONFIG_PROC_FS
-extern char *proc_pid_status_frv_cxnr(struct mm_struct *mm, char *buffer);
-#endif
-
-extern void __init pgtable_cache_init(void);
-
-#endif /* !__ASSEMBLY__ */
-#endif /* !CONFIG_MMU */
-
-#ifndef __ASSEMBLY__
-extern void __init paging_init(void);
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _ASM_PGTABLE_H */