diff --git a/mm/memblock.c b/mm/memblock.c
index 021db49eb7fc..e6fdf95a0534 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -2886,6 +2886,7 @@ static const char * const flagname[] = {
 	[ilog2(MEMBLOCK_RSRV_NOINIT)] = "RSV_NIT",
 	[ilog2(MEMBLOCK_RSRV_KERN)] = "RSV_KERN",
 	[ilog2(MEMBLOCK_KHO_SCRATCH)] = "KHO_SCRATCH",
+	[ilog2(MEMBLOCK_RSRV_HUGETLB)] = "RSV_HUGETLB",
 };
 
 static int memblock_debug_show(struct seq_file *m, void *private)