grab PAGE_SHIFT from a location where it is defined nowadays
--- a/machine/m_linux.c+++ b/machine/m_linux.c@@ -68,7 +68,7 @@#include <sys/vfs.h>
#include <sys/param.h> /* for HZ */
-#include <asm/page.h> /* for PAGE_SHIFT */+#include <sys/user.h> /* for PAGE_SHIFT */#if 0
#include <linux/proc_fs.h> /* for PROC_SUPER_MAGIC */