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*/		*/
static void		static void
vm_swapout_map_deactivate_pages(vm_map_t map, long desired)		vm_swapout_map_deactivate_pages(vm_map_t map, long desired)
{		{
vm_map_entry_t tmpe;		vm_map_entry_t tmpe;
vm_object_t obj, bigobj;		vm_object_t obj, bigobj;
int nothingwired;		int nothingwired;

if (!vm_map_trylock(map))		if (!vm_map_trylock_read(map))
return;		return;

bigobj = NULL;		bigobj = NULL;
nothingwired = TRUE;		nothingwired = TRUE;

/*		/*
* first, search out the biggest object, and try to free pages from		* first, search out the biggest object, and try to free pages from
* that.		* that.
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines	vm_swapout_map_deactivate_pages(vm_map_t map, long desired)
* Remove all mappings if a process is swapped out, this will free page		* Remove all mappings if a process is swapped out, this will free page
* table pages.		* table pages.
*/		*/
if (desired == 0 && nothingwired) {		if (desired == 0 && nothingwired) {
pmap_remove(vm_map_pmap(map), vm_map_min(map),		pmap_remove(vm_map_pmap(map), vm_map_min(map),
vm_map_max(map));		vm_map_max(map));
}		}

vm_map_unlock(map);		vm_map_unlock_read(map);
}		}

/*		/*
* Swap out requests		* Swap out requests
*/		*/
#define VM_SWAP_NORMAL 1		#define VM_SWAP_NORMAL 1
#define VM_SWAP_IDLE 2		#define VM_SWAP_IDLE 2

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