sys/kern/kern_umtx.c
static void
umtx_sleep_page_action_cow(vm_page_t m, vm_page_action_t action)
{
    wakeup_domain(action->data, PDOMAIN_UMTX);
}
/*
 * If this page is being copied it may no longer represent the page
 * underlying our virtual address.  Wake up any umtx_sleep()'s
 * that were waiting on its physical address to force them to retry.
 */
If this page is being copied it may no longer represent the page
underlying our virtual address.  Wake up any umtx_sleep()'s
that were waiting on its physical address to force them to retry.
If this page is being copied it may no longer represent the page underlying our virtual address . Wake up any umtx_sleep () ' s that were waiting on its physical address to force them to retry .
static void
umtx_sleep_page_action_cow(vm_page_t m, vm_page_action_t action)
{
    wakeup_domain(action->data, PDOMAIN_UMTX);
}
static void umtx_sleep_page_action_cow ( vm_page_t m , vm_page_action_t action ) { wakeup_domain ( action -> data , PDOMAIN_UMTX ) ; }
If this page is being copied it may no longer represent the page
 underlying our virtual address.
If this page is being copied it may no longer represent the page underlying our virtual address .