mirror of https://gitee.com/openkylin/linux.git
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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/*
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* Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au>
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* Changes to accommodate Power Macintoshes.
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* Cort Dougan <cort@cs.nmt.edu>
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* Rewrites.
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* Grant Erickson <grant@lcse.umn.edu>
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* General rework and split from mm/init.c.
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*
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* Module name: mem_pieces.h
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*
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* Description:
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* Routines and data structures for manipulating and representing
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* phyiscal memory extents (i.e. address/length pairs).
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*
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*/
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#ifndef __MEM_PIECES_H__
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#define __MEM_PIECES_H__
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#include <asm/prom.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Type Definitions */
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#define MEM_PIECES_MAX 32
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struct mem_pieces {
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int n_regions;
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struct reg_property regions[MEM_PIECES_MAX];
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};
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/* Function Prototypes */
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extern void *mem_pieces_find(unsigned int size, unsigned int align);
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extern void mem_pieces_remove(struct mem_pieces *mp, unsigned int start,
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unsigned int size, int must_exist);
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extern void mem_pieces_coalesce(struct mem_pieces *mp);
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extern void mem_pieces_sort(struct mem_pieces *mp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __MEM_PIECES_H__ */
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