1 files changed, 0 insertions, 131 deletions
diff --git a/arch/mn10300/include/asm/highmem.h b/arch/mn10300/include/asm/highmem.h
deleted file mode 100644
index 1ddea5afba09..000000000000
--- a/arch/mn10300/include/asm/highmem.h
+++ /dev/null
@@ -1,131 +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 void *kmap_atomic(struct page *page)
-{
-	unsigned long vaddr;
-	int idx, type;
-
-	preempt_disable();
-	pagefault_disable();
-	if (page < highmem_start_page)
-		return page_address(page);
-
-	type = kmap_atomic_idx_push();
-	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));
-	local_flush_tlb_one(vaddr);
-
-	return (void *)vaddr;
-}
-
-static inline void __kunmap_atomic(unsigned long vaddr)
-{
-	int type;
-
-	if (vaddr < FIXADDR_START) { /* FIXME */
-		pagefault_enable();
-		preempt_enable();
-		return;
-	}
-
-	type = kmap_atomic_idx();
-
-#if HIGHMEM_DEBUG
-	{
-		unsigned int idx;
-		idx = type + KM_TYPE_NR * smp_processor_id();
-
-		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);
-		local_flush_tlb_one(vaddr);
-	}
-#endif
-
-	kmap_atomic_idx_pop();
-	pagefault_enable();
-	preempt_enable();
-}
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_HIGHMEM_H */