--- xnu/xnu-12377.121.6/iokit/Kernel/IODataQueue.cpp
+++ xnu/xnu-11215.41.3/iokit/Kernel/IODataQueue.cpp
@@ -111,7 +111,7 @@
 	((IODataQueueInternal *)notifyMsg)->queueSize = size;
 
 	kr = kmem_alloc(kernel_map, (vm_offset_t *)&dataQueue, allocSize,
-	    (kma_flags_t)(KMA_DATA_SHARED | KMA_ZERO), IOMemoryTag(kernel_map));
+	    (kma_flags_t)(KMA_DATA | KMA_ZERO), IOMemoryTag(kernel_map));
 	if (kr != KERN_SUCCESS) {
 		return false;
 	}