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 *    Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au>
 *      Changes to accommodate Power Macintoshes.
 *    Cort Dougan <cort@cs.nmt.edu>
 *      Rewrites.
 *    Grant Erickson <grant@lcse.umn.edu>
 *      General rework and split from mm/init.c.
 *    Module name: mem_pieces.h
 *    Description:
 *      Routines and data structures for manipulating and representing
 *      phyiscal memory extents (i.e. address/length pairs).

#ifndef __MEM_PIECES_H__
#define     __MEM_PIECES_H__

#include <asm/prom.h>

#ifdef __cplusplus
extern "C" {

/* Type Definitions */

#define     MEM_PIECES_MAX    32

struct mem_pieces {
    int n_regions;
    struct reg_property regions[MEM_PIECES_MAX];

/* Function Prototypes */

extern void *mem_pieces_find(unsigned int size, unsigned int align);
extern void  mem_pieces_remove(struct mem_pieces *mp, unsigned int start,
                           unsigned int size, int must_exist);
extern void  mem_pieces_coalesce(struct mem_pieces *mp);
extern void  mem_pieces_sort(struct mem_pieces *mp);

#ifdef __cplusplus

#endif /* __MEM_PIECES_H__ */

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