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root/include/asm-um/ldt.h

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INCLUDED FROM


/*
 * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
 * Licensed under the GPL
 *
 * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
 */

#ifndef __ASM_LDT_H
#define __ASM_LDT_H

#include <linux/mutex.h>
#include "asm/host_ldt.h"

extern void ldt_host_info(void);

#define LDT_PAGES_MAX \
        ((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE)
#define LDT_ENTRIES_PER_PAGE \
        (PAGE_SIZE/LDT_ENTRY_SIZE)
#define LDT_DIRECT_ENTRIES \
        ((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE)

struct ldt_entry {
        __u32 a;
        __u32 b;
};

typedef struct uml_ldt {
        int entry_count;
        struct mutex lock;
        union {
                struct ldt_entry * pages[LDT_PAGES_MAX];
                struct ldt_entry entries[LDT_DIRECT_ENTRIES];
        } u;
} uml_ldt_t;

#endif

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