diff --git a/include/nuttx/addrenv.h b/include/nuttx/addrenv.h
index 4748bef90bc..2d366df3d79 100644
--- a/include/nuttx/addrenv.h
+++ b/include/nuttx/addrenv.h
@@ -113,7 +113,9 @@
  */
 
 #ifdef CONFIG_BUILD_KERNEL
-#  define ARCH_DATA_RESERVE_SIZE 512
+/* use MM_PGSIZE to unify among all archs for now */
+
+#  define ARCH_DATA_RESERVE_SIZE CONFIG_MM_PGSIZE
 #else
 #  define ARCH_DATA_RESERVE_SIZE 0
 #endif
diff --git a/libs/libc/modlib/gnu-elf.ld.in b/libs/libc/modlib/gnu-elf.ld.in
index 590cb5aefda..695fd8bc440 100644
--- a/libs/libc/modlib/gnu-elf.ld.in
+++ b/libs/libc/modlib/gnu-elf.ld.in
@@ -26,7 +26,8 @@
 #  include <nuttx/addrenv.h>
 
 #  define TEXT CONFIG_ARCH_TEXT_VBASE
-#  define DATA CONFIG_ARCH_DATA_VBASE + CONFIG_MM_PGSIZE
+#  define DATA CONFIG_ARCH_DATA_VBASE + ARCH_DATA_RESERVE_SIZE
+
 #else
 #  define TEXT 0x0
 #  define DATA