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+/*
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+ * arch/arm/include/asm/cacheflush.h
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+ *
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+ * Copyright (C) 1999-2002 Russell King
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+#ifndef _ASMARM_CACHEFLUSH_H
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+#define _ASMARM_CACHEFLUSH_H
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+
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+#include <linux/mm.h>
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+
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+#include <asm/glue-cache.h>
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+#include <asm/shmparam.h>
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+#include <asm/cachetype.h>
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+#include <asm/outercache.h>
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+
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+#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
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+
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+/*
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+ * This flag is used to indicate that the page pointed to by a pte is clean
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+ * and does not require cleaning before returning it to the user.
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+ */
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+#define PG_dcache_clean PG_arch_1
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+
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+/*
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+ * MM Cache Management
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+ * ===================
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+ *
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+ * The arch/arm/mm/cache-*.S and arch/arm/mm/proc-*.S files
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+ * implement these methods.
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+ *
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+ * Start addresses are inclusive and end addresses are exclusive;
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+ * start addresses should be rounded down, end addresses up.
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+ *
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+ * See Documentation/cachetlb.txt for more information.
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+ * Please note that the implementation of these, and the required
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+ * effects are cache-type (VIVT/VIPT/PIPT) specific.
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+ *
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+ * flush_icache_all()
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+ *
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+ * Unconditionally clean and invalidate the entire icache.
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+ * Currently only needed for cache-v6.S and cache-v7.S, see
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+ * __flush_icache_all for the generic implementation.
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+ *
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+ * flush_kern_all()
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+ *
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+ * Unconditionally clean and invalidate the entire cache.
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+ *
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+ * flush_kern_louis()
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+ *
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+ * Flush data cache levels up to the level of unification
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+ * inner shareable and invalidate the I-cache.
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+ * Only needed from v7 onwards, falls back to flush_cache_all()
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+ * for all other processor versions.
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+ *
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+ * flush_user_all()
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+ *
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+ * Clean and invalidate all user space cache entries
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+ * before a change of page tables.
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+ *
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+ * flush_user_range(start, end, flags)
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+ *
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+ * Clean and invalidate a range of cache entries in the
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韩正义