CF_PAGE_READABLE
return pte_val(pte) & CF_PAGE_READABLE;
pte_val(pte) &= ~CF_PAGE_READABLE;
pte_val(pte) |= CF_PAGE_READABLE;
#define _PAGE_READWRITE (CF_PAGE_READABLE \
| CF_PAGE_READABLE \
| CF_PAGE_READABLE \
| CF_PAGE_READABLE \
CF_PAGE_READABLE),
CF_PAGE_READABLE |
CF_PAGE_READABLE |
CF_PAGE_READABLE |
CF_PAGE_READABLE),
CF_PAGE_READABLE |
CF_PAGE_READABLE |
CF_PAGE_READABLE |