diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 7d9320e3f4ae..7b0d7979f901 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1501,7 +1501,7 @@ int add_memory_subsection(int nid, u64 start, u64 size)
 
 	if (!IS_ALIGNED(start, SUBSECTION_SIZE) ||
 	    !IS_ALIGNED(size, SUBSECTION_SIZE)) {
-		pr_err("%s: start 0x%lx size 0x%lx not aligned to subsection size\n",
+		pr_err("%s: start 0x%llx size 0x%llx not aligned to subsection size\n",
 			   __func__, start, size);
 		return -EINVAL;
 	}
@@ -1521,7 +1521,7 @@ int add_memory_subsection(int nid, u64 start, u64 size)
 	if (ret) {
 		if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
 			memblock_remove(start, size);
-		pr_err("%s failed to add subsection start 0x%lx size 0x%lx\n",
+		pr_err("%s failed to add subsection start 0x%llx size 0x%llx\n",
 			   __func__, start, size);
 	}
 	mem_hotplug_done();