50baef55f2
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26457 a95241bf-73f2-0310-859d-f6bbb57e9c96
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* Copyright 2002-2008, Haiku. 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_types.h>
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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,
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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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void vm_schedule_page_scanner(uint32 target);
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status_t vm_daemon_init(void);
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const char *page_state_to_string(int state);
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// for debugging purposes only
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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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