diff --git a/arch/loongarch/include/asm/sparsemem.h b/arch/loongarch/include/asm/sparsemem.h
index ee55cdf933c6b91e354d608d56e1f5a7fb4b6fe0..0f6e76fb31740f62a7a1b17698375bb792897f0c 100644
--- a/arch/loongarch/include/asm/sparsemem.h
+++ b/arch/loongarch/include/asm/sparsemem.h
@@ -8,7 +8,7 @@
  * SECTION_SIZE_BITS		2^N: how big each section will be
  * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
  */
-#define SECTION_SIZE_BITS	29 /* 2^29 = Largest Huge Page Size */
+#define SECTION_SIZE_BITS	28
 #define MAX_PHYSMEM_BITS	48
 
 #ifndef CONFIG_SPARSEMEM_VMEMMAP