1 files changed, 0 insertions, 116 deletions
diff --git a/include/asm-mn10300/highmem.h b/include/asm-mn10300/highmem.h
deleted file mode 100644
index 90f2abb04bf..00000000000
--- a/include/asm-mn10300/highmem.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/* MN10300 Virtual kernel memory mappings for high memory
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- * - Derived from include/asm-i386/highmem.h
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef _ASM_HIGHMEM_H
-#define _ASM_HIGHMEM_H
-
-#ifdef __KERNEL__
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/highmem.h>
-#include <asm/kmap_types.h>
-#include <asm/pgtable.h>
-
-/* undef for production */
-#undef HIGHMEM_DEBUG
-
-/* declarations for highmem.c */
-extern unsigned long highstart_pfn, highend_pfn;
-
-extern pte_t *kmap_pte;
-extern pgprot_t kmap_prot;
-extern pte_t *pkmap_page_table;
-
-extern void __init kmap_init(void);
-
-/*
- * Right now we initialize only a single pte table. It can be extended
- * easily, subsequent pte tables have to be allocated in one physical
- * chunk of RAM.
- */
-#define PKMAP_BASE	0xfe000000UL
-#define LAST_PKMAP	1024
-#define LAST_PKMAP_MASK (LAST_PKMAP - 1)
-#define PKMAP_NR(virt)  ((virt - PKMAP_BASE) >> PAGE_SHIFT)
-#define PKMAP_ADDR(nr)  (PKMAP_BASE + ((nr) << PAGE_SHIFT))
-
-extern unsigned long kmap_high(struct page *page);
-extern void kunmap_high(struct page *page);
-
-static inline unsigned long kmap(struct page *page)
-{
-	if (in_interrupt())
-		BUG();
-	if (page < highmem_start_page)
-		return page_address(page);
-	return kmap_high(page);
-}
-
-static inline void kunmap(struct page *page)
-{
-	if (in_interrupt())
-		BUG();
-	if (page < highmem_start_page)
-		return;
-	kunmap_high(page);
-}
-
-/*
- * The use of kmap_atomic/kunmap_atomic is discouraged - kmap/kunmap
- * gives a more generic (and caching) interface. But kmap_atomic can
- * be used in IRQ contexts, so in some (very limited) cases we need
- * it.
- */
-static inline unsigned long kmap_atomic(struct page *page, enum km_type type)
-{
-	enum fixed_addresses idx;
-	unsigned long vaddr;
-
-	if (page < highmem_start_page)
-		return page_address(page);
-
-	debug_kmap_atomic(type);
-	idx = type + KM_TYPE_NR * smp_processor_id();
-	vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
-#if HIGHMEM_DEBUG
-	if (!pte_none(*(kmap_pte - idx)))
-		BUG();
-#endif
-	set_pte(kmap_pte - idx, mk_pte(page, kmap_prot));
-	__flush_tlb_one(vaddr);
-
-	return vaddr;
-}
-
-static inline void kunmap_atomic(unsigned long vaddr, enum km_type type)
-{
-#if HIGHMEM_DEBUG
-	enum fixed_addresses idx = type + KM_TYPE_NR * smp_processor_id();
-
-	if (vaddr < FIXADDR_START) /* FIXME */
-		return;
-
-	if (vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx))
-		BUG();
-
-	/*
-	 * force other mappings to Oops if they'll try to access
-	 * this pte without first remap it
-	 */
-	pte_clear(kmap_pte - idx);
-	__flush_tlb_one(vaddr);
-#endif
-}
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_HIGHMEM_H */