diff --git kernel/mem.c kernel/mem.c
index e464eb2..7086c6a 100644
--- kernel/mem.c
+++ kernel/mem.c
@@ -749,6 +749,9 @@ retry_interleave:
 #endif
 		dkprintf("%s: couldn't fulfill user policy for %d pages\n",
 			__FUNCTION__, npages);
+		if (numa_mem_policy == MPOL_INTERLEAVE) {
+			kprintf("TEST_959: reach HERE\n");
+		}
 	}
 
 distance_based: