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/*
* Copyright (c) 1995 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Bryan Ford, University of Utah CSL
*/
/*
* PC-specific flag bits and priority values
* for the List Memory Manager (LMM)
* relevant for kernels managing physical memory.
*/
#ifndef _I386_PC_PHYS_MEM_H_
#define _I386_PC_PHYS_MEM_H_
#include_next "phys_mem.h"
/* <1MB memory is most precious, then <16MB memory, then high memory.
Assign priorities to each region accordingly
so that high memory will be used first when possible,
then 16MB memory, then 1MB memory. */
#define LMM_PRI_1MB -2
#define LMM_PRI_16MB -1
#define LMM_PRI_HIGH 0
/* For memory <1MB, both LMMF_1MB and LMMF_16MB will be set.
For memory from 1MB to 16MB, only LMMF_16MB will be set.
For all memory higher than that, neither will be set. */
#define LMMF_1MB 0x01
#define LMMF_16MB 0x02
/* Call one of these routines to add a chunk of physical memory found
to the malloc_lmm free list.
It assigns the appropriate flags and priorities to the region,
as defined above, breaking up the region if necessary. */
void phys_mem_add(vm_offset_t min, vm_size_t size);
void i16_phys_mem_add(vm_offset_t min, vm_size_t size);
#endif _I386_PC_PHYS_MEM_H_
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