1/* 2 * Copyright 2002-2008, Haiku. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved. 6 * Distributed under the terms of the NewOS License. 7 */ 8#ifndef _KERNEL_VM_VM_PRIV_H 9#define _KERNEL_VM_VM_PRIV_H 10 11 12#include <vm/vm_types.h> 13 14 15// reserved area definitions 16#define RESERVED_AREA_ID -1 17#define RESERVED_AVOID_BASE 0x01 18 19// page attributes (in addition to B_READ_AREA etc.) 20#define PAGE_MODIFIED 0x1000 21#define PAGE_ACCESSED 0x2000 22#define PAGE_PRESENT 0x4000 23 24 25#ifdef __cplusplus 26extern "C" { 27#endif 28 29// Should only be used by vm internals 30status_t vm_page_fault(addr_t address, addr_t faultAddress, bool isWrite, 31 bool isExecute, bool isUser, addr_t *newip); 32void vm_unreserve_memory(size_t bytes); 33status_t vm_try_reserve_memory(size_t bytes, int priority, bigtime_t timeout); 34status_t vm_daemon_init(void); 35 36const char *page_state_to_string(int state); 37 // for debugging purposes only 38 39#ifdef __cplusplus 40} 41#endif 42 43#endif /* _KERNEL_VM_VM_PRIV_H */ 44