[PATCH] SwapMig: Extend parameters for migrate_pages()
[pandora-kernel.git] / mm / mmap.c
index 4f8def0..64ba4db 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -611,7 +611,7 @@ again:                      remove_next = 1 + (end > next->vm_end);
  * If the vma has a ->close operation then the driver probably needs to release
  * per-vma resources, so we don't attempt to merge those.
  */
-#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED)
+#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
 
 static inline int is_mergeable_vma(struct vm_area_struct *vma,
                        struct file *file, unsigned long vm_flags)
@@ -1076,17 +1076,6 @@ munmap_back:
                error = file->f_op->mmap(file, vma);
                if (error)
                        goto unmap_and_free_vma;
-               if ((vma->vm_flags & (VM_SHARED | VM_WRITE | VM_RESERVED))
-                                               == (VM_WRITE | VM_RESERVED)) {
-                       printk(KERN_WARNING "program %s is using MAP_PRIVATE, "
-                               "PROT_WRITE mmap of VM_RESERVED memory, which "
-                               "is deprecated. Please report this to "
-                               "linux-kernel@vger.kernel.org\n",current->comm);
-                       if (vma->vm_ops && vma->vm_ops->close)
-                               vma->vm_ops->close(vma);
-                       error = -EACCES;
-                       goto unmap_and_free_vma;
-               }
        } else if (vm_flags & VM_SHARED) {
                error = shmem_zero_setup(vma);
                if (error)