Introduce and use a new VM interface for temporarily pinning pages. This

new interface replaces the combined use of vm_fault_quick() and
pmap_extract_and_hold() throughout the kernel.

In collaboration with:	kib@

1 files changed, 2 insertions, 0 deletions

diff --git a/sys/vm/vm_extern.h b/sys/vm/vm_extern.h
index b4ad02b..4c1e304 100644
--- a/sys/vm/vm_extern.h
+++ b/sys/vm/vm_extern.h
@@ -63,6 +63,8 @@ void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t,
     vm_ooffset_t *);
 int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type,
     int fault_flags, vm_page_t *m_hold);
+int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len,
+    vm_prot_t prot, vm_page_t *ma, int max_count);
 void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
 int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
 int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int);