WaitForPageEvents
void WaitForPageEvents(vm_page* page, uint32 events,
cache->WaitForPageEvents(page, PAGE_EVENT_NOT_BUSY, true);
fCache->WaitForPageEvents(firstModified, PAGE_EVENT_NOT_BUSY,
cache->WaitForPageEvents(page, PAGE_EVENT_NOT_BUSY, true);
WaitForPageEvents(page, PAGE_EVENT_NOT_BUSY, true);
WaitForPageEvents(page, PAGE_EVENT_NOT_BUSY, true);
cache->WaitForPageEvents(page, PAGE_EVENT_NOT_BUSY, false);