[PATCH] nommu: export two symbols for drivers to use

nommu.c needs to export two more symbols for drivers to use:
remap_pfn_range and unmap_mapping_range.
Signed-off-by: NLuke Yang <luke.adi@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

mm/nommu.c

@@ -1070,6 +1070,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 	vma->vm_start = vma->vm_pgoff << PAGE_SHIFT;
 	return 0;
 }
+EXPORT_SYMBOL(remap_pfn_range);
 
 void swap_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
 {
@@ -1090,6 +1091,7 @@ void unmap_mapping_range(struct address_space *mapping,
 			 int even_cows)
 {
 }
+EXPORT_SYMBOL(unmap_mapping_range);
 
 /*
  * Check that a process has enough memory to allocate a new virtual