Merge branch 'linus'

1 files changed, 18 insertions, 22 deletions

diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c
index 580b63da836b..5fc5c579e35e 100644
--- a/arch/sparc64/mm/generic.c
+++ b/arch/sparc64/mm/generic.c
@@ -15,15 +15,6 @@
 #include <asm/page.h>
 #include <asm/tlbflush.h>
 
-static inline pte_t mk_pte_io(unsigned long page, pgprot_t prot, int space)
-{
-        pte_t pte;
-        pte_val(pte) = (((page) | pgprot_val(prot) | _PAGE_E) &
-                        ~(unsigned long)_PAGE_CACHE);
-        pte_val(pte) |= (((unsigned long)space) << 32);
-        return pte;
-}
-
 /* Remap IO memory, the same way as remap_pfn_range(), but use
  * the obio memory space.
  *
@@ -48,24 +39,29 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
                 pte_t entry;
                 unsigned long curend = address + PAGE_SIZE;
                 
-                entry = mk_pte_io(offset, prot, space);
+                entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
                 if (!(address & 0xffff)) {
-                        if (!(address & 0x3fffff) && !(offset & 0x3ffffe) && end >= address + 0x400000) {
-                                entry = mk_pte_io(offset,
-                                                  __pgprot(pgprot_val (prot) | _PAGE_SZ4MB),
-                                                  space);
+                        if (PAGE_SIZE < (4 * 1024 * 1024) &&
+                            !(address & 0x3fffff) &&
+                            !(offset & 0x3ffffe) &&
+                            end >= address + 0x400000) {
+                                entry = mk_pte_io(offset, prot, space,
+                                                  4 * 1024 * 1024);
                                 curend = address + 0x400000;
                                 offset += 0x400000;
-                        } else if (!(address & 0x7ffff) && !(offset & 0x7fffe) && end >= address + 0x80000) {
-                                entry = mk_pte_io(offset,
-                                                  __pgprot(pgprot_val (prot) | _PAGE_SZ512K),
-                                                  space);
+                        } else if (PAGE_SIZE < (512 * 1024) &&
+                                   !(address & 0x7ffff) &&
+                                   !(offset & 0x7fffe) &&
+                                   end >= address + 0x80000) {
+                                entry = mk_pte_io(offset, prot, space,
+                                                  512 * 1024 * 1024);
                                 curend = address + 0x80000;
                                 offset += 0x80000;
-                        } else if (!(offset & 0xfffe) && end >= address + 0x10000) {
-                                entry = mk_pte_io(offset,
-                                                  __pgprot(pgprot_val (prot) | _PAGE_SZ64K),
-                                                  space);
+                        } else if (PAGE_SIZE < (64 * 1024) &&
+                                   !(offset & 0xfffe) &&
+                                   end >= address + 0x10000) {
+                                entry = mk_pte_io(offset, prot, space,
+                                                  64 * 1024);
                                 curend = address + 0x10000;
                                 offset += 0x10000;
                         } else