Name
find_get_pages_tag — 
     find and return pages that match tag
 
Synopsis
| unsigned find_get_pages_tag ( | struct address_space * mapping, | 
|  | pgoff_t * index, | 
|  | int tag, | 
|  | unsigned int nr_pages, | 
|  | struct page ** pages ); | 
 
Arguments
- mapping
- 
     the address_space to search
     
- index
- 
     the starting page index
     
- tag
- 
     the tag index
     
- nr_pages
- 
     the maximum number of pages
     
- pages
- 
     where the resulting pages are placed
     
Description
   Like find_get_pages, except we only return pages which are tagged with
   tag.   We update index to index the next page for the traversal.