Fix for hybrid kernels that have backported support for the Xarray

facility while allowing subsystems to continue to use radix trees.
Without the patch, the crash session fails during initialization
with the message "crash: xarray facility does not exist or has
changed its format".
([email protected])

Author: Dave Anderson

task.c

@@ -486,14 +486,14 @@ task_init(void)
 			"radix_tree_node","height");
 		MEMBER_OFFSET_INIT(radix_tree_node_shift,
 			"radix_tree_node","shift");
-	} else {
-		STRUCT_SIZE_INIT(xarray, "xarray");
-		STRUCT_SIZE_INIT(xa_node, "xa_node");
-		MEMBER_OFFSET_INIT(xarray_xa_head, "xarray","xa_head");
-		MEMBER_OFFSET_INIT(xa_node_slots, "xa_node","slots");
-		MEMBER_OFFSET_INIT(xa_node_shift, "xa_node","shift");
 	}
 
+	STRUCT_SIZE_INIT(xarray, "xarray");
+	STRUCT_SIZE_INIT(xa_node, "xa_node");
+	MEMBER_OFFSET_INIT(xarray_xa_head, "xarray","xa_head");
+	MEMBER_OFFSET_INIT(xa_node_slots, "xa_node","slots");
+	MEMBER_OFFSET_INIT(xa_node_shift, "xa_node","shift");
+
 	if (symbol_exists("pidhash") && symbol_exists("pid_hash") &&
 	    !symbol_exists("pidhash_shift"))
 		error(FATAL,