1 files changed, 0 insertions, 122 deletions
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
deleted file mode 100644
index e5907c7330e..00000000000
--- a/arch/sh/mm/pg-sh4.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * arch/sh/mm/pg-sh4.c
- *
- * Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- * Copyright (C) 2002  Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/threads.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
-#include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
-
-extern struct semaphore p3map_sem[];
-
-/*
- * clear_user_page
- * @to: P1 address
- * @address: U0 address to be mapped
- * @page: page (virt_to_page(to))
- */
-void clear_user_page(void *to, unsigned long address, struct page *page)
-{
-	__set_bit(PG_mapped, &page->flags);
-	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
-		clear_page(to);
-	else {
-		pgprot_t pgprot = __pgprot(_PAGE_PRESENT | 
-					   _PAGE_RW | _PAGE_CACHABLE |
-					   _PAGE_DIRTY | _PAGE_ACCESSED | 
-					   _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
-		unsigned long phys_addr = PHYSADDR(to);
-		unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
-		pgd_t *dir = pgd_offset_k(p3_addr);
-		pmd_t *pmd = pmd_offset(dir, p3_addr);
-		pte_t *pte = pte_offset_kernel(pmd, p3_addr);
-		pte_t entry;
-		unsigned long flags;
-
-		entry = pfn_pte(phys_addr >> PAGE_SHIFT, pgprot);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
-		set_pte(pte, entry);
-		local_irq_save(flags);
-		__flush_tlb_page(get_asid(), p3_addr);
-		local_irq_restore(flags);
-		update_mmu_cache(NULL, p3_addr, entry);
-		__clear_user_page((void *)p3_addr, to);
-		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
-	}
-}
-
-/*
- * copy_user_page
- * @to: P1 address
- * @from: P1 address
- * @address: U0 address to be mapped
- * @page: page (virt_to_page(to))
- */
-void copy_user_page(void *to, void *from, unsigned long address, 
-		    struct page *page)
-{
-	__set_bit(PG_mapped, &page->flags);
-	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
-		copy_page(to, from);
-	else {
-		pgprot_t pgprot = __pgprot(_PAGE_PRESENT | 
-					   _PAGE_RW | _PAGE_CACHABLE |
-					   _PAGE_DIRTY | _PAGE_ACCESSED | 
-					   _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
-		unsigned long phys_addr = PHYSADDR(to);
-		unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
-		pgd_t *dir = pgd_offset_k(p3_addr);
-		pmd_t *pmd = pmd_offset(dir, p3_addr);
-		pte_t *pte = pte_offset_kernel(pmd, p3_addr);
-		pte_t entry;
-		unsigned long flags;
-
-		entry = pfn_pte(phys_addr >> PAGE_SHIFT, pgprot);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
-		set_pte(pte, entry);
-		local_irq_save(flags);
-		__flush_tlb_page(get_asid(), p3_addr);
-		local_irq_restore(flags);
-		update_mmu_cache(NULL, p3_addr, entry);
-		__copy_user_page((void *)p3_addr, from, to);
-		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
-	}
-}
-
-/*
- * For SH-4, we have our own implementation for ptep_get_and_clear
- */
-inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	pte_t pte = *ptep;
-
-	pte_clear(mm, addr, ptep);
-	if (!pte_not_present(pte)) {
-		unsigned long pfn = pte_pfn(pte);
-		if (pfn_valid(pfn)) {
-			struct page *page = pfn_to_page(pfn);
-			struct address_space *mapping = page_mapping(page);
-			if (!mapping || !mapping_writably_mapped(mapping))
-				__clear_bit(PG_mapped, &page->flags);
-		}
-	}
-	return pte;
-}
-