find_get_pages_tag
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## 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.

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