MAP_ENTRY_NEEDS_WAKEUP
fs->entry->eflags |= MAP_ENTRY_NEEDS_WAKEUP;
in_tran->eflags |= MAP_ENTRY_NEEDS_WAKEUP;
in_entry->eflags |= MAP_ENTRY_NEEDS_WAKEUP;
if (entry->eflags & MAP_ENTRY_NEEDS_WAKEUP) {
entry->eflags &= ~MAP_ENTRY_NEEDS_WAKEUP;
if (entry->eflags & MAP_ENTRY_NEEDS_WAKEUP) {
entry->eflags &= ~MAP_ENTRY_NEEDS_WAKEUP;
entry->eflags |= MAP_ENTRY_NEEDS_WAKEUP;