Pull pvops into release branch

[linux-2.6-omap-h63xx.git] / include / asm-s390 / pgtable.h

diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index c7f4f8e3e297188310955e325c20717510acc590..0bdb704ae051f2bf1d83371702aa52bb7994d286 100644 (file)
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -29,6 +29,7 @@
  * the S390 page table tree.
  */
 #ifndef __ASSEMBLY__
+#include <linux/sched.h>
 #include <linux/mm_types.h>
 #include <asm/bitops.h>
 #include <asm/bug.h>
@@ -223,6 +224,9 @@ extern char empty_zero_page[PAGE_SIZE];
 #define _PAGE_SPECIAL  0x004           /* SW associated with special page */
 #define __HAVE_ARCH_PTE_SPECIAL
 
+/* Set of bits not changed in pte_modify */
+#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_SPECIAL)
+
 /* Six different types of pages. */
 #define _PAGE_TYPE_EMPTY       0x400
 #define _PAGE_TYPE_NONE                0x401
@@ -681,7 +685,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
  */
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-       pte_val(pte) &= PAGE_MASK;
+       pte_val(pte) &= _PAGE_CHG_MASK;
        pte_val(pte) |= pgprot_val(newprot);
        return pte;
 }