haiku/headers/private/kernel/vm_priv.h
Axel Dörfler b4395038ee * Replaced the sAreaHashLock with an rw_lock.
* As this was the last user of the READ_COUNT/WRITE_COUNT definitions in
  vm_priv.h, I removed those as well.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26582 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-07-23 16:10:52 +00:00

46 lines
1.0 KiB
C

/*
* Copyright 2002-2008, Haiku. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_VM_PRIV_H
#define _KERNEL_VM_PRIV_H
#include <vm_types.h>
// reserved area definitions
#define RESERVED_AREA_ID -1
#define RESERVED_AVOID_BASE 0x01
// page attributes (in addition to B_READ_AREA etc.)
#define PAGE_MODIFIED 0x1000
#define PAGE_ACCESSED 0x2000
#define PAGE_PRESENT 0x4000
#ifdef __cplusplus
extern "C" {
#endif
// Should only be used by vm internals
status_t vm_page_fault(addr_t address, addr_t faultAddress, bool isWrite,
bool isUser, addr_t *newip);
void vm_unreserve_memory(size_t bytes);
status_t vm_try_reserve_memory(size_t bytes, bigtime_t timeout);
void vm_schedule_page_scanner(uint32 target);
status_t vm_daemon_init(void);
const char *page_state_to_string(int state);
// for debugging purposes only
#ifdef __cplusplus
}
#endif
#endif /* _KERNEL_VM_PRIV_H */