_PAGE_VALID_SHIFT
#define _PAGE_VALID (_ULCAST_(1) << _PAGE_VALID_SHIFT)
pr_define("_PAGE_VALID_SHIFT %d\n", _PAGE_VALID_SHIFT);
#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
pr_define("_PAGE_VALID_SHIFT %d\n", _PAGE_VALID_SHIFT);
#define _PAGE_VALID BIT_ULL(_PAGE_VALID_SHIFT)