diff options
| -rw-r--r-- | include/linux/pagevec.h | 3 | ||||
| -rw-r--r-- | mm/swap.c | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h index afc718f586f8..87a2dfd62f5e 100644 --- a/include/linux/pagevec.h +++ b/include/linux/pagevec.h @@ -41,6 +41,9 @@ static inline unsigned pagevec_lookup(struct pagevec *pvec, unsigned pagevec_lookup_range_tag(struct pagevec *pvec, struct address_space *mapping, pgoff_t *index, pgoff_t end, int tag, unsigned nr_pages); +unsigned pagevec_lookup_range_nr_tag(struct pagevec *pvec, + struct address_space *mapping, pgoff_t *index, pgoff_t end, + int tag, unsigned max_pages); static inline unsigned pagevec_lookup_tag(struct pagevec *pvec, struct address_space *mapping, pgoff_t *index, int tag, unsigned nr_pages) diff --git a/mm/swap.c b/mm/swap.c index e1c74eb8a775..6c50fec2da92 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -996,6 +996,15 @@ 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 */ |