powerpc/mm/hash64: Store the slot information at the right offset for hugetlb

[linux-2.6-block.git] / arch / powerpc / include / asm / book3s / 64 / hash-64k.h

diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index ee440fb3d240e6ad954f6e853140a4038b52d9e4..3bcf269f8f55470097ac56680685321bf13e62ba 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -45,7 +45,7 @@
  * generic accessors and iterators here
  */
 #define __real_pte __real_pte
-static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep)
+static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep, int offset)
 {
        real_pte_t rpte;
        unsigned long *hidxp;
@@ -59,7 +59,7 @@ static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep)
         */
        smp_rmb();
 
-       hidxp = (unsigned long *)(ptep + PTRS_PER_PTE);
+       hidxp = (unsigned long *)(ptep + offset);
        rpte.hidx = *hidxp;
        return rpte;
 }
@@ -86,9 +86,10 @@ static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index)
  * expected to modify the PTE bits accordingly and commit the PTE to memory.
  */
 static inline unsigned long pte_set_hidx(pte_t *ptep, real_pte_t rpte,
-               unsigned int subpg_index, unsigned long hidx)
+                                        unsigned int subpg_index,
+                                        unsigned long hidx, int offset)
 {
-       unsigned long *hidxp = (unsigned long *)(ptep + PTRS_PER_PTE);
+       unsigned long *hidxp = (unsigned long *)(ptep + offset);
 
        rpte.hidx &= ~HIDX_BITS(0xfUL, subpg_index);
        *hidxp = rpte.hidx  | HIDX_BITS(HIDX_SHIFT_BY_ONE(hidx), subpg_index);