2004-11-23 06:16:10 +03:00
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/*
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2007-02-27 22:26:40 +03:00
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* Copyright 2002-2007, Axel Dörfler, axeld@pinc-software.de.
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2004-11-23 06:16:10 +03:00
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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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2002-07-09 16:24:59 +04:00
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#ifndef _KERNEL_VM_PAGE_H
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#define _KERNEL_VM_PAGE_H
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2004-09-07 01:49:38 +04:00
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2002-07-09 16:24:59 +04:00
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#include <vm.h>
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2004-09-07 01:49:38 +04:00
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2003-05-03 20:03:26 +04:00
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struct kernel_args;
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2004-09-07 01:49:38 +04:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2007-09-27 16:21:33 +04:00
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void vm_page_init_num_pages(struct kernel_args *args);
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2004-10-20 03:19:10 +04:00
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status_t vm_page_init(struct kernel_args *args);
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status_t vm_page_init_post_area(struct kernel_args *args);
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status_t vm_page_init_post_thread(struct kernel_args *args);
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2002-07-09 16:24:59 +04:00
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2004-10-20 03:19:10 +04:00
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status_t vm_mark_page_inuse(addr_t page);
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status_t vm_mark_page_range_inuse(addr_t startPage, addr_t length);
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2007-09-27 16:21:33 +04:00
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status_t vm_page_set_state(struct vm_page *page, int state);
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2007-09-28 19:50:26 +04:00
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void vm_page_requeue(struct vm_page *page, bool tail);
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2002-07-09 16:24:59 +04:00
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2004-11-03 20:24:41 +03:00
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// get some data about the number of pages in the system
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2005-06-13 17:02:24 +04:00
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size_t vm_page_num_pages(void);
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size_t vm_page_num_free_pages(void);
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2004-11-03 20:24:41 +03:00
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2007-09-27 16:21:33 +04:00
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status_t vm_page_write_modified_pages(struct vm_cache *cache, bool fsReenter);
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2007-09-28 19:50:26 +04:00
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void vm_page_schedule_write_page(struct vm_page *page);
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2004-11-23 06:16:10 +03:00
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2007-09-26 21:42:25 +04:00
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void vm_page_unreserve_pages(uint32 count);
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void vm_page_reserve_pages(uint32 count);
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2007-09-27 16:21:33 +04:00
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struct vm_page *vm_page_allocate_page(int pageState, bool reserved);
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status_t vm_page_allocate_pages(int pageState, struct vm_page **pages,
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uint32 numPages);
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struct vm_page *vm_page_allocate_page_run(int state, addr_t length);
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struct vm_page *vm_page_at_index(int32 index);
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struct vm_page *vm_lookup_page(addr_t pageNumber);
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2004-09-07 01:49:38 +04:00
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#ifdef __cplusplus
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}
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#endif
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2002-07-09 16:24:59 +04:00
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2003-05-03 20:03:26 +04:00
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#endif /* _KERNEL_VM_PAGE_H */
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