[PATCH] paravirt: lazy mmu mode hooks.patch
[linux-3.10.git] / mm / mremap.c
index 7c15cf3..9c769fa 100644 (file)
@@ -98,6 +98,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
        new_ptl = pte_lockptr(mm, new_pmd);
        if (new_ptl != old_ptl)
                spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
+       arch_enter_lazy_mmu_mode();
 
        for (; old_addr < old_end; old_pte++, old_addr += PAGE_SIZE,
                                   new_pte++, new_addr += PAGE_SIZE) {
@@ -109,6 +110,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
                set_pte_at(mm, new_addr, new_pte, pte);
        }
 
+       arch_leave_lazy_mmu_mode();
        if (new_ptl != old_ptl)
                spin_unlock(new_ptl);
        pte_unmap_nested(new_pte - 1);