diff --git a/sys/arm/include/vmparam.h b/sys/arm/include/vmparam.h
index 2fa2c59305cb..d37a81ae6212 100644
--- a/sys/arm/include/vmparam.h
+++ b/sys/arm/include/vmparam.h
@@ -50,13 +50,13 @@
 #define	DFLDSIZ		(128UL*1024*1024)	/* initial data size limit */
 #endif
 #ifndef	MAXDSIZ
-#define	MAXDSIZ		(512UL*1024*1024)	/* max data size */
+#define	MAXDSIZ		(1856UL*1024*1024)	/* max data size */
 #endif
 #ifndef	DFLSSIZ
-#define	DFLSSIZ		(2UL*1024*1024)		/* initial stack size limit */
+#define	DFLSSIZ		(4UL*1024*1024)		/* initial stack size limit */
 #endif
 #ifndef	MAXSSIZ
-#define	MAXSSIZ		(8UL*1024*1024)		/* max stack size */
+#define	MAXSSIZ		(64UL*1024*1024)	/* max stack size */
 #endif
 #ifndef	SGROWSIZ
 #define	SGROWSIZ	(128UL*1024)		/* amount to grow stack */