diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c
index 5ecadf7..421a71b 100644
--- a/arch/arm/mach-tegra/board2.c
+++ b/arch/arm/mach-tegra/board2.c
@@ -252,7 +252,7 @@
 #elif defined(CONFIG_ARMV7_SECURE_RESERVE_SIZE)
 	// BASE+SIZE might not == 4GB. If so, we want the carveout to cover
 	// from BASE to 4GB, not BASE to BASE+SIZE.
-	return (0 - CONFIG_ARMV7_SECURE_BASE);
+	return (0 - CONFIG_ARMV7_SECURE_BASE) & ~(SZ_2M - 1);
 #else
 	return 0;
 #endif