NPTEPG
#define NPTEPG (PAGE_SIZE / sizeof(pt_entry_t))
#define NPTEPG (1L << NPTEPG_SHIFT)
#define NPTEPG (NBPG/(sizeof (pt_entry_t)))
#define NPTEPG (NBPG / sizeof(pt_entry_t)) /* PTEs per Page */
#define NPTEPG (NBPG/(sizeof (pt_entry_t)))
#define NPTEPG (NBPG/(sizeof (pt_entry_t)))
#define NPTEPG (PAGE_SIZE / (sizeof(pt_entry_t)))
#define NPTEPG (PAGE_SIZE >> 2)
#define NPTEPG (PAGE_SIZE / (sizeof(pt_entry_t)))
#define NPTEPG (1 << PTPLENGTH)
#define NPTEPG (NBPG >> 2)
#define NPTEPG (NBPG / sizeof(pt_entry_t))
#define NPTEPG 0x80 /* # of PTEs per page (logical or physical) */