diff options
Diffstat (limited to 'vm/vm_fault.c')
| -rw-r--r-- | vm/vm_fault.c | 106 |
1 files changed, 46 insertions, 60 deletions
diff --git a/vm/vm_fault.c b/vm/vm_fault.c index d9c3d7b..686156c 100644 --- a/vm/vm_fault.c +++ b/vm/vm_fault.c @@ -123,9 +123,9 @@ void vm_fault_init(void) * "object" must be locked. */ void -vm_fault_cleanup(object, top_page) - vm_object_t object; - vm_page_t top_page; +vm_fault_cleanup( + vm_object_t object, + vm_page_t top_page) { vm_object_paging_end(object); vm_object_unlock(object); @@ -202,27 +202,23 @@ vm_fault_cleanup(object, top_page) * The "result_page" is also left busy. It is not removed * from the pageout queues. */ -vm_fault_return_t vm_fault_page(first_object, first_offset, - fault_type, must_be_resident, interruptible, - protection, - result_page, top_page, - resume, continuation) +vm_fault_return_t vm_fault_page( /* Arguments: */ - vm_object_t first_object; /* Object to begin search */ - vm_offset_t first_offset; /* Offset into object */ - vm_prot_t fault_type; /* What access is requested */ - boolean_t must_be_resident;/* Must page be resident? */ - boolean_t interruptible; /* May fault be interrupted? */ + vm_object_t first_object, /* Object to begin search */ + vm_offset_t first_offset, /* Offset into object */ + vm_prot_t fault_type, /* What access is requested */ + boolean_t must_be_resident,/* Must page be resident? */ + boolean_t interruptible, /* May fault be interrupted? */ /* Modifies in place: */ - vm_prot_t *protection; /* Protection for mapping */ + vm_prot_t *protection, /* Protection for mapping */ /* Returns: */ - vm_page_t *result_page; /* Page found, if successful */ - vm_page_t *top_page; /* Page in top object, if + vm_page_t *result_page, /* Page found, if successful */ + vm_page_t *top_page, /* Page in top object, if * not result_page. */ /* More arguments: */ - boolean_t resume; /* We are restarting. */ - void (*continuation)(); /* Continuation for blocking. */ + boolean_t resume, /* We are restarting. */ + void (*continuation)()) /* Continuation for blocking. */ { vm_page_t m; vm_object_t object; @@ -1149,14 +1145,13 @@ vm_fault_continue(void) /*NOTREACHED*/ } -kern_return_t vm_fault(map, vaddr, fault_type, change_wiring, - resume, continuation) - vm_map_t map; - vm_offset_t vaddr; - vm_prot_t fault_type; - boolean_t change_wiring; - boolean_t resume; - void (*continuation)(); +kern_return_t vm_fault( + vm_map_t map, + vm_offset_t vaddr, + vm_prot_t fault_type, + boolean_t change_wiring, + boolean_t resume, + void (*continuation)()) { vm_map_version_t version; /* Map version for verificiation */ boolean_t wired; /* Should mapping be wired down? */ @@ -1500,9 +1495,9 @@ kern_return_t vm_fault(map, vaddr, fault_type, change_wiring, * * Wire down a range of virtual addresses in a map. */ -void vm_fault_wire(map, entry) - vm_map_t map; - vm_map_entry_t entry; +void vm_fault_wire( + vm_map_t map, + vm_map_entry_t entry) { vm_offset_t va; @@ -1536,9 +1531,9 @@ void vm_fault_wire(map, entry) * * Unwire a range of virtual addresses in a map. */ -void vm_fault_unwire(map, entry) - vm_map_t map; - vm_map_entry_t entry; +void vm_fault_unwire( + vm_map_t map, + vm_map_entry_t entry) { vm_offset_t va; pmap_t pmap; @@ -1625,10 +1620,10 @@ void vm_fault_unwire(map, entry) * other than the common case will return KERN_FAILURE, and the caller * is expected to call vm_fault(). */ -kern_return_t vm_fault_wire_fast(map, va, entry) - vm_map_t map; - vm_offset_t va; - vm_map_entry_t entry; +kern_return_t vm_fault_wire_fast( + vm_map_t map, + vm_offset_t va, + vm_map_entry_t entry) { vm_object_t object; vm_offset_t offset; @@ -1774,9 +1769,9 @@ kern_return_t vm_fault_wire_fast(map, va, entry) * Release a page used by vm_fault_copy. */ -void vm_fault_copy_cleanup(page, top_page) - vm_page_t page; - vm_page_t top_page; +void vm_fault_copy_cleanup( + vm_page_t page, + vm_page_t top_page) { vm_object_t object = page->object; @@ -1817,23 +1812,14 @@ void vm_fault_copy_cleanup(page, top_page) * requested. */ kern_return_t vm_fault_copy( - src_object, - src_offset, - src_size, - dst_object, - dst_offset, - dst_map, - dst_version, - interruptible - ) - vm_object_t src_object; - vm_offset_t src_offset; - vm_size_t *src_size; /* INOUT */ - vm_object_t dst_object; - vm_offset_t dst_offset; - vm_map_t dst_map; - vm_map_version_t *dst_version; - boolean_t interruptible; + vm_object_t src_object, + vm_offset_t src_offset, + vm_size_t *src_size, /* INOUT */ + vm_object_t dst_object, + vm_offset_t dst_offset, + vm_map_t dst_map, + vm_map_version_t *dst_version, + boolean_t interruptible) { vm_page_t result_page; vm_prot_t prot; @@ -2014,10 +2000,10 @@ kern_return_t vm_fault_copy( * XXX Untested. Also unused. Eventually, this technology * could be used in vm_fault_copy() to advantage. */ -vm_fault_return_t vm_fault_page_overwrite(dst_object, dst_offset, result_page) - vm_object_t dst_object; - vm_offset_t dst_offset; - vm_page_t *result_page; /* OUT */ +vm_fault_return_t vm_fault_page_overwrite( + vm_object_t dst_object, + vm_offset_t dst_offset, + vm_page_t *result_page) /* OUT */ { vm_page_t dst_page; |