Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6-omap-h63xx.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 47c533eaa0721c558eddcc68dfa6c8de1f2844ef..d8dde07a36566fc6463b7b9b95305d9b0505427e 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -574,7 +574,7 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,
         * readonly mappings. The tradeoff is that copy_page_range is more
         * efficient than faulting.
         */
-       if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP))) {
+       if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP|VM_INSERTPAGE))) {
                if (!vma->anon_vma)
                        return 0;
        }
@@ -1009,7 +1009,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
                        continue;
                }
 
-               if (!vma || (vma->vm_flags & VM_IO)
+               if (!vma || (vma->vm_flags & (VM_IO | VM_PFNMAP))
                                || !(vm_flags & vma->vm_flags))
                        return i ? : -EFAULT;
 
@@ -1228,6 +1228,7 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *
                return -EFAULT;
        if (!page_count(page))
                return -EINVAL;
+       vma->vm_flags |= VM_INSERTPAGE;
        return insert_page(vma->vm_mm, addr, page, vma->vm_page_prot);
 }
 EXPORT_SYMBOL(vm_insert_page);