*pmdp = entry;
}
+ static inline pgprot_t pmd_pgprot(pmd_t pmd)
+ {
+ pgprot_t prot = PAGE_RW;
+
+ if (pmd_val(pmd) & _SEGMENT_ENTRY_RO) {
+ if (pmd_val(pmd) & _SEGMENT_ENTRY_INV)
+ prot = PAGE_NONE;
+ else
+ prot = PAGE_RO;
+ }
+ return prot;
+ }
+
static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
{
- unsigned long pgprot_pmd = 0;
-
- if (pgprot_val(pgprot) & _PAGE_INVALID) {
- if (pgprot_val(pgprot) & _PAGE_SWT)
- pgprot_pmd |= _HPAGE_TYPE_NONE;
- pgprot_pmd |= _SEGMENT_ENTRY_INV;
- }
- if (pgprot_val(pgprot) & _PAGE_RO)
- pgprot_pmd |= _SEGMENT_ENTRY_RO;
- return pgprot_pmd;
+ /*
+ * pgprot is PAGE_NONE, PAGE_RO, or PAGE_RW (see __Pxxx / __Sxxx)
+ * Convert to segment table entry format.
+ */
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_NONE))
+ return pgprot_val(SEGMENT_NONE);
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_RO))
+ return pgprot_val(SEGMENT_RO);
+ return pgprot_val(SEGMENT_RW);
}
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)