powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bit

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / pgtable-ppc64.h

diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index ba8000352b9a33ecccb8593d34356ca751a86a0b..5fc78c0be302fa60e972fbad50f24bb69114351b 100644 (file)
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -245,7 +245,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;}
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;}
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;}
 static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;}
-static inline int pte_special(pte_t pte) { return 0; }
+static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; }
 
 static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)   { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -265,7 +265,7 @@ static inline pte_t pte_mkyoung(pte_t pte) {
 static inline pte_t pte_mkhuge(pte_t pte) {
        return pte; }
 static inline pte_t pte_mkspecial(pte_t pte) {
-       return pte; }
+       pte_val(pte) |= _PAGE_SPECIAL; return pte; }
 static inline unsigned long pte_pgprot(pte_t pte)
 {
        return __pgprot(pte_val(pte)) & PAGE_PROT_BITS;