ram: fixed int overflow on pagetok macro

diff --git a/components/ram.c b/components/ram.c
index 0ac97537161e4b9397ac6de87a60f9864e17a72c..0333b3b27b1f2c3883ae7db232ec5e003cac7cd2 100644 (file)
--- a/components/ram.c
+++ b/components/ram.c
@@ -75,7 +75,7 @@
        #include <unistd.h>
 
        #define LOG1024         10
-       #define pagetok(size, pageshift) ((size) << (pageshift - LOG1024))
+       #define pagetok(size, pageshift) (size_t)(size << (pageshift - LOG1024))
 
        inline int
        load_uvmexp(struct uvmexp *uvmexp)