d608540b67
Some more cleanup. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15614 a95241bf-73f2-0310-859d-f6bbb57e9c96
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* Copyright 2002-2005, The Haiku Team. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_VM_PRIV_H
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#define _KERNEL_VM_PRIV_H
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#include <vm.h>
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#include <util/khash.h>
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/* should make these scale with the system */
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#define DEFAULT_KERNEL_WORKING_SET 1024
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#define DEFAULT_WORKING_SET 256
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#define DEFAULT_MAX_WORKING_SET 65536
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#define DEFAULT_MIN_WORKING_SET 64
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#define WORKING_SET_INCREMENT 32
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#define WORKING_SET_DECREMENT 32
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#define PAGE_DAEMON_INTERVAL 500000
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#define PAGE_SCAN_QUANTUM 500
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#define WORKING_SET_ADJUST_INTERVAL 5000000
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#define MAX_FAULTS_PER_SECOND 100
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#define MIN_FAULTS_PER_SECOND 10
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#define WRITE_COUNT 1024
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#define READ_COUNT 1
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// reserved area definitions
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#define RESERVED_AREA_ID -1
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#define RESERVED_AVOID_BASE 0x01
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// page attributes (in addition to B_READ_AREA etc.)
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#define PAGE_MODIFIED 0x1000
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#define PAGE_ACCESSED 0x2000
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#define PAGE_PRESENT 0x4000
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Should only be used by vm internals
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status_t vm_page_fault(addr_t address, addr_t faultAddress, bool isWrite, bool isUser, addr_t *newip);
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void vm_unreserve_memory(size_t bytes);
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status_t vm_try_reserve_memory(size_t bytes);
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status_t vm_daemon_init(void);
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// used by the page daemon to walk the list of address spaces
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void vm_address_space_walk_start(struct hash_iterator *i);
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vm_address_space *vm_address_space_walk_next(struct hash_iterator *i);
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// allocates memory from the kernel_args structure
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addr_t vm_alloc_from_kernel_args(kernel_args *args, size_t size, uint32 lock);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_VM_PRIV_H */
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