diff options
Diffstat (limited to 'sys/vm/vm_map.c')
| -rw-r--r-- | sys/vm/vm_map.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index fdfb63c0a01a..eddfc88b97c8 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -342,43 +342,6 @@ vmspace_exitfree(struct proc *p) vmspace_dofree(vm); } -/* - * vmspace_swap_count() - count the approximate swap useage in pages for a - * vmspace. - * - * The map must be locked. - * - * Swap useage is determined by taking the proportional swap used by - * VM objects backing the VM map. To make up for fractional losses, - * if the VM object has any swap use at all the associated map entries - * count for at least 1 swap page. - */ -int -vmspace_swap_count(struct vmspace *vmspace) -{ - vm_map_t map = &vmspace->vm_map; - vm_map_entry_t cur; - int count = 0; - - for (cur = map->header.next; cur != &map->header; cur = cur->next) { - vm_object_t object; - - if ((cur->eflags & MAP_ENTRY_IS_SUB_MAP) == 0 && - (object = cur->object.vm_object) != NULL) { - VM_OBJECT_LOCK(object); - if (object->type == OBJT_SWAP && - object->un_pager.swp.swp_bcount != 0) { - int n = (cur->end - cur->start) / PAGE_SIZE; - - count += object->un_pager.swp.swp_bcount * - SWAP_META_PAGES * n / object->size + 1; - } - VM_OBJECT_UNLOCK(object); - } - } - return (count); -} - void _vm_map_lock(vm_map_t map, const char *file, int line) { |