Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

[pandora-kernel.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1d89526..817a875 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -784,7 +784,6 @@ static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm,
        if (!pmd_none(*pmd))
                return false;
        entry = mk_pmd(zero_page, vma->vm_page_prot);
-       entry = pmd_wrprotect(entry);
        entry = pmd_mkhuge(entry);
        pgtable_trans_huge_deposit(mm, pmd, pgtable);
        set_pmd_at(mm, haddr, pmd, entry);
@@ -805,7 +804,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
                return VM_FAULT_OOM;
        if (unlikely(khugepaged_enter(vma, vma->vm_flags)))
                return VM_FAULT_OOM;
-       if (!(flags & FAULT_FLAG_WRITE) &&
+       if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm) &&
                        transparent_hugepage_use_zero_page()) {
                spinlock_t *ptl;
                pgtable_t pgtable;
@@ -1400,7 +1399,8 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
                 * pgtable_trans_huge_withdraw after finishing pmdp related
                 * operations.
                 */
-               orig_pmd = pmdp_get_and_clear(tlb->mm, addr, pmd);
+               orig_pmd = pmdp_get_and_clear_full(tlb->mm, addr, pmd,
+                                                  tlb->fullmm);
                tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
                pgtable = pgtable_trans_huge_withdraw(tlb->mm, pmd);
                if (is_huge_zero_pmd(orig_pmd)) {