pmap_is_prefaultable9
Determine if a page may be prefaulted
Usage
#include <sys/param.h>
#include <vm/vm.h>
#include <vm/pmap.h>
boolean_t
pmap_is_prefaultable(pmap_t pmap, vm_offset_t va);
Overview
The pmap_is_prefaultable() function provides a means of determining if the page residing at virtual address va in the physical map pmap may be pre-faulted into main memory.
This is a helper function which is called by vm_fault_prefault(9).