highmem: Get rid of kmap_types.h

The header is not longer used and on alpha, ia64, openrisc, parisc and um
it was completely unused anyway as these architectures have no highmem
support.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20201103095858.422094352@linutronix.de

arch/alpha/include/asm/kmap_types.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_KMAP_TYPES_H
-#define _ASM_KMAP_TYPES_H
-
-/* Dummy header just to define km_type. */
-
-#ifdef CONFIG_DEBUG_HIGHMEM
-#define  __WITH_KM_FENCE
-#endif
-
-#include <asm-generic/kmap_types.h>
-
-#undef __WITH_KM_FENCE
-
-#endif

arch/ia64/include/asm/kmap_types.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_IA64_KMAP_TYPES_H
-#define _ASM_IA64_KMAP_TYPES_H
-
-#ifdef CONFIG_DEBUG_HIGHMEM
-#define  __WITH_KM_FENCE
-#endif
-
-#include <asm-generic/kmap_types.h>
-
-#undef __WITH_KM_FENCE
-
-#endif /* _ASM_IA64_KMAP_TYPES_H */

arch/openrisc/mm/init.c

@@ -33,7 +33,6 @@
 #include <asm/io.h>
 #include <asm/tlb.h>
 #include <asm/mmu_context.h>
-#include <asm/kmap_types.h>
 #include <asm/fixmap.h>
 #include <asm/tlbflush.h>
 #include <asm/sections.h>

arch/openrisc/mm/ioremap.c

@@ -15,7 +15,6 @@
 #include <linux/io.h>
 #include <linux/pgtable.h>
 #include <asm/pgalloc.h>
-#include <asm/kmap_types.h>
 #include <asm/fixmap.h>
 #include <asm/bug.h>
 #include <linux/sched.h>

arch/parisc/include/asm/kmap_types.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_KMAP_TYPES_H
-#define _ASM_KMAP_TYPES_H
-
-#ifdef CONFIG_DEBUG_HIGHMEM
-#define  __WITH_KM_FENCE
-#endif
-
-#include <asm-generic/kmap_types.h>
-
-#undef __WITH_KM_FENCE
-
-#endif

arch/um/include/asm/fixmap.h

@@ -3,7 +3,6 @@
 #define __UM_FIXMAP_H
 
 #include <asm/processor.h>
-#include <asm/kmap_types.h>
 #include <asm/archparam.h>
 #include <asm/page.h>
 #include <linux/threads.h>

arch/um/include/asm/kmap_types.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- */
-
-#ifndef __UM_KMAP_TYPES_H
-#define __UM_KMAP_TYPES_H
-
-/* No more #include "asm/arch/kmap_types.h" ! */
-
-#define KM_TYPE_NR 14
-
-#endif

include/asm-generic/Kbuild

@@ -30,7 +30,6 @@ mandatory-y += irq.h
 mandatory-y += irq_regs.h
 mandatory-y += irq_work.h
 mandatory-y += kdebug.h
-mandatory-y += kmap_types.h
 mandatory-y += kmap_size.h
 mandatory-y += kprobes.h
 mandatory-y += linkage.h

include/asm-generic/kmap_types.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_GENERIC_KMAP_TYPES_H
-#define _ASM_GENERIC_KMAP_TYPES_H
-
-#ifdef __WITH_KM_FENCE
-# define KM_TYPE_NR 41
-#else
-# define KM_TYPE_NR 20
-#endif
-
-#endif

include/linux/highmem.h

@@ -29,8 +29,6 @@ static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
 }
 #endif
 
-#include <asm/kmap_types.h>
-
 /*
  * Outside of CONFIG_HIGHMEM to support X86 32bit iomap_atomic() cruft.
  */