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-rw-r--r--mm/swap.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 6eefbfabafc0..bef40c04f864 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1140,6 +1140,15 @@ unsigned pagevec_lookup_range_tag(struct pagevec *pvec,
}
EXPORT_SYMBOL(pagevec_lookup_range_tag);
+unsigned pagevec_lookup_range_nr_tag(struct pagevec *pvec,
+ struct address_space *mapping, pgoff_t *index, pgoff_t end,
+ int tag, unsigned max_pages)
+{
+ pvec->nr = find_get_pages_range_tag(mapping, index, end, tag,
+ min_t(unsigned int, max_pages, PAGEVEC_SIZE), pvec->pages);
+ return pagevec_count(pvec);
+}
+EXPORT_SYMBOL(pagevec_lookup_range_nr_tag);
/*
* Perform any setup for the swap system
*/