Function vm_paging_target

freebsd/vm/vm_pagequeue.h:399–404

* Return the number of pages we need to free-up or cache * A positive number indicates that we do not have enough free pages. */

 * A positive number indicates that we do not have enough free pages.
 */
static inline int
vm_paging_target(struct vm_domain *vmd)
{

	return (vmd->vmd_free_target - vmd->vmd_free_count);
}

/*
 * Returns TRUE if the pagedaemon needs to be woken up.