3 files changed, 10 insertions, 110 deletions

diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c
index 01ee23dd724d..c4d3da68b800 100644
--- a/arch/sparc/mm/gup.c
+++ b/arch/sparc/mm/gup.c
@@ -71,13 +71,12 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
                         int *nr)
 {
         struct page *head, *page, *tail;
-        u32 mask;
         int refs;
 
-        mask = PMD_HUGE_PRESENT;
-        if (write)
-                mask |= PMD_HUGE_WRITE;
-        if ((pmd_val(pmd) & mask) != mask)
+        if (!pmd_large(pmd))
+                return 0;
+
+        if (write && !pmd_write(pmd))
                 return 0;
 
         refs = 0;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 828784419e25..bd6430ded69f 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2602,121 +2602,21 @@ void pgtable_free(void *table, bool is_page)
 }
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-static pmd_t pmd_set_protbits(pmd_t pmd, pgprot_t pgprot, bool for_modify)
-{
-        if (pgprot_val(pgprot) & _PAGE_VALID)
-                pmd_val(pmd) |= PMD_HUGE_PRESENT;
-        if (tlb_type == hypervisor) {
-                if (pgprot_val(pgprot) & _PAGE_WRITE_4V)
-                        pmd_val(pmd) |= PMD_HUGE_WRITE;
-                if (pgprot_val(pgprot) & _PAGE_EXEC_4V)
-                        pmd_val(pmd) |= PMD_HUGE_EXEC;
-
-                if (!for_modify) {
-                        if (pgprot_val(pgprot) & _PAGE_ACCESSED_4V)
-                                pmd_val(pmd) |= PMD_HUGE_ACCESSED;
-                        if (pgprot_val(pgprot) & _PAGE_MODIFIED_4V)
-                                pmd_val(pmd) |= PMD_HUGE_DIRTY;
-                }
-        } else {
-                if (pgprot_val(pgprot) & _PAGE_WRITE_4U)
-                        pmd_val(pmd) |= PMD_HUGE_WRITE;
-                if (pgprot_val(pgprot) & _PAGE_EXEC_4U)
-                        pmd_val(pmd) |= PMD_HUGE_EXEC;
-
-                if (!for_modify) {
-                        if (pgprot_val(pgprot) & _PAGE_ACCESSED_4U)
-                                pmd_val(pmd) |= PMD_HUGE_ACCESSED;
-                        if (pgprot_val(pgprot) & _PAGE_MODIFIED_4U)
-                                pmd_val(pmd) |= PMD_HUGE_DIRTY;
-                }
-        }
-
-        return pmd;
-}
-
-pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
-{
-        pmd_t pmd;
-
-        pmd_val(pmd) = (page_nr << ((PAGE_SHIFT - PMD_PADDR_SHIFT)));
-        pmd_val(pmd) |= PMD_ISHUGE;
-        pmd = pmd_set_protbits(pmd, pgprot, false);
-        return pmd;
-}
-
-pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
-{
-        pmd_val(pmd) &= ~(PMD_HUGE_PRESENT |
-                          PMD_HUGE_WRITE |
-                          PMD_HUGE_EXEC);
-        pmd = pmd_set_protbits(pmd, newprot, true);
-        return pmd;
-}
-
-pgprot_t pmd_pgprot(pmd_t entry)
-{
-        unsigned long pte = 0;
-
-        if (pmd_val(entry) & PMD_HUGE_PRESENT)
-                pte |= _PAGE_VALID;
-
-        if (tlb_type == hypervisor) {
-                if (pmd_val(entry) & PMD_HUGE_PRESENT)
-                        pte |= _PAGE_PRESENT_4V;
-                if (pmd_val(entry) & PMD_HUGE_EXEC)
-                        pte |= _PAGE_EXEC_4V;
-                if (pmd_val(entry) & PMD_HUGE_WRITE)
-                        pte |= _PAGE_W_4V;
-                if (pmd_val(entry) & PMD_HUGE_ACCESSED)
-                        pte |= _PAGE_ACCESSED_4V;
-                if (pmd_val(entry) & PMD_HUGE_DIRTY)
-                        pte |= _PAGE_MODIFIED_4V;
-                pte |= _PAGE_CP_4V|_PAGE_CV_4V;
-        } else {
-                if (pmd_val(entry) & PMD_HUGE_PRESENT)
-                        pte |= _PAGE_PRESENT_4U;
-                if (pmd_val(entry) & PMD_HUGE_EXEC)
-                        pte |= _PAGE_EXEC_4U;
-                if (pmd_val(entry) & PMD_HUGE_WRITE)
-                        pte |= _PAGE_W_4U;
-                if (pmd_val(entry) & PMD_HUGE_ACCESSED)
-                        pte |= _PAGE_ACCESSED_4U;
-                if (pmd_val(entry) & PMD_HUGE_DIRTY)
-                        pte |= _PAGE_MODIFIED_4U;
-                pte |= _PAGE_CP_4U|_PAGE_CV_4U;
-        }
-
-        return __pgprot(pte);
-}
-
 void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
                           pmd_t *pmd)
 {
         unsigned long pte, flags;
         struct mm_struct *mm;
         pmd_t entry = *pmd;
-        pgprot_t prot;
 
         if (!pmd_large(entry) || !pmd_young(entry))
                 return;
 
-        pte = (pmd_val(entry) & ~PMD_HUGE_PROTBITS);
-        pte <<= PMD_PADDR_SHIFT;
-        pte |= _PAGE_VALID;
+        pte = pmd_val(entry);
 
         /* We are fabricating 8MB pages using 4MB real hw pages.  */
         pte |= (addr & (1UL << REAL_HPAGE_SHIFT));
 
-        prot = pmd_pgprot(entry);
-
-        if (tlb_type == hypervisor)
-                pgprot_val(prot) |= _PAGE_SZHUGE_4V;
-        else
-                pgprot_val(prot) |= _PAGE_SZHUGE_4U;
-
-        pte |= pgprot_val(prot);
-
         mm = vma->vm_mm;
 
         spin_lock_irqsave(&mm->context.lock, flags);
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index 97d1e56e9863..f1bd83019e71 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -161,8 +161,8 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
         if (mm == &init_mm)
                 return;
 
-        if ((pmd_val(pmd) ^ pmd_val(orig)) & PMD_ISHUGE) {
-                if (pmd_val(pmd) & PMD_ISHUGE)
+        if ((pmd_val(pmd) ^ pmd_val(orig)) & _PAGE_PMD_HUGE) {
+                if (pmd_val(pmd) & _PAGE_PMD_HUGE)
                         mm->context.huge_pte_count++;
                 else
                         mm->context.huge_pte_count--;
@@ -178,10 +178,11 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
         }
 
         if (!pmd_none(orig)) {
-                bool exec = ((pmd_val(orig) & PMD_HUGE_EXEC) != 0);
+                pte_t orig_pte = __pte(pmd_val(orig));
+                bool exec = pte_exec(orig_pte);
 
                 addr &= HPAGE_MASK;
-                if (pmd_val(orig) & PMD_ISHUGE) {
+                if (pmd_trans_huge(orig)) {
                         tlb_batch_add_one(mm, addr, exec);
                         tlb_batch_add_one(mm, addr + REAL_HPAGE_SIZE, exec);
                 } else {