diff --git a/sys/i386/include/vmparam.h b/sys/i386/include/vmparam.h
index 6c726a2b9e6..a94408a5ec2 100644
--- a/sys/i386/include/vmparam.h
+++ b/sys/i386/include/vmparam.h
@@ -126,7 +126,7 @@
  * Ceiling on amount of kmem_map kva space.
  */
 #ifndef VM_KMEM_SIZE_MAX
-#define	VM_KMEM_SIZE_MAX	(200 * 1024 * 1024)
+#define	VM_KMEM_SIZE_MAX	(320 * 1024 * 1024)
 #endif
 
 /* initial pagein size of beginning of executable file */