powerpc: hash_huge_page() should get the WIMG bits from the lpte

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: Jon Tollefson <kniht@linux.vnet.ibm.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 8fa07f3..0d12fba 100644 (file)
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -504,9 +504,8 @@ repeat:
                new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HASHPTE;
 #endif
                /* Add in WIMG bits */
-               /* XXX We should store these in the pte */
-               /* --BenH: I think they are ... */
-               rflags |= _PAGE_COHERENT;
+               rflags |= (new_pte & (_PAGE_WRITETHRU | _PAGE_NO_CACHE |
+                                     _PAGE_COHERENT | _PAGE_GUARDED));
 
                /* Insert into the hash table, primary slot */
                slot = ppc_md.hpte_insert(hpte_group, va, pa, rflags, 0,