diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 5fc7dc7..9e4f21a 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -16,6 +16,7 @@
 #include <asm/tables.h>
 #include <asm/coreboot_tables.h>
 #include <linux/log2.h>
+#include <linux/sizes.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -59,10 +60,10 @@
 	 * that the calculation of gd->table_end works properly
 	 */
 #ifdef CONFIG_GENERATE_ACPI_TABLE
-	{ "acpi", write_acpi_tables, BLOBLISTT_ACPI_TABLES, 0x10000, 0x1000},
+	{ "acpi", write_acpi_tables, BLOBLISTT_ACPI_TABLES, SZ_64K, SZ_4K},
 #endif
 #ifdef CONFIG_GENERATE_SMBIOS_TABLE
-	{ "smbios", write_smbios_table, BLOBLISTT_SMBIOS_TABLES, 0x1000, 0x100},
+	{ "smbios", write_smbios_table, BLOBLISTT_SMBIOS_TABLES, SZ_4K, SZ_256},
 #endif
 };