diff --git a/mm/memblock.c b/mm/memblock.c
index f72d539570339743eabc3f437aa73a7c92dcbcf5..bd5eee531a3f7d29deb456efb60fedde54af0a4a 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -151,7 +151,7 @@ static __refdata struct memblock_type *memblock_memory = &memblock.memory;
 			pr_info(fmt, ##__VA_ARGS__);			\
 	} while (0)
 
-static int memblock_debug __initdata_memblock;
+static int memblock_debug __initdata_memblock = 1;
 static bool system_has_some_mirror __initdata_memblock = false;
 static int memblock_can_resize __initdata_memblock;
 static int memblock_memory_in_slab __initdata_memblock = 0;