pgd_present
#define pgd_present(pgd) (1)
#define pgd_present(pgd) (!pgd_none(pgd))
#define pgd_present(pgd) (1)
static inline int pgd_present(pgd_t pgd)
static inline int pgd_present(pgd_t pgd)
static inline int pgd_present(pgd_t pgd)
static inline int pgd_present(pgd_t pgd) { return 1; }