media: rockchip: rkisp1: add support for v12 isp variants
[linux-2.6-microblaze.git] / mm / memory.c
index 25fc46e..adf9b9e 100644 (file)
@@ -3403,6 +3403,7 @@ void unmap_mapping_pages(struct address_space *mapping, pgoff_t start,
                unmap_mapping_range_tree(&mapping->i_mmap, &details);
        i_mmap_unlock_write(mapping);
 }
+EXPORT_SYMBOL_GPL(unmap_mapping_pages);
 
 /**
  * unmap_mapping_range - unmap the portion of all mmaps in the specified