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-rw-r--r--include/linux/pagevec.h1
-rw-r--r--mm/swap.c23
2 files changed, 0 insertions, 24 deletions
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 7b2886fa7fdc..bab82f4c571c 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -24,7 +24,6 @@ void __pagevec_release(struct pagevec *pvec);
24void __pagevec_free(struct pagevec *pvec); 24void __pagevec_free(struct pagevec *pvec);
25void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru); 25void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
26void pagevec_strip(struct pagevec *pvec); 26void pagevec_strip(struct pagevec *pvec);
27void pagevec_swap_free(struct pagevec *pvec);
28unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping, 27unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
29 pgoff_t start, unsigned nr_pages); 28 pgoff_t start, unsigned nr_pages);
30unsigned pagevec_lookup_tag(struct pagevec *pvec, 29unsigned pagevec_lookup_tag(struct pagevec *pvec,
diff --git a/mm/swap.c b/mm/swap.c
index 8adb9feb61e1..6e83084c1f6c 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -457,29 +457,6 @@ void pagevec_strip(struct pagevec *pvec)
457} 457}
458 458
459/** 459/**
460 * pagevec_swap_free - try to free swap space from the pages in a pagevec
461 * @pvec: pagevec with swapcache pages to free the swap space of
462 *
463 * The caller needs to hold an extra reference to each page and
464 * not hold the page lock on the pages. This function uses a
465 * trylock on the page lock so it may not always free the swap
466 * space associated with a page.
467 */
468void pagevec_swap_free(struct pagevec *pvec)
469{
470 int i;
471
472 for (i = 0; i < pagevec_count(pvec); i++) {
473 struct page *page = pvec->pages[i];
474
475 if (PageSwapCache(page) && trylock_page(page)) {
476 try_to_free_swap(page);
477 unlock_page(page);
478 }
479 }
480}
481
482/**
483 * pagevec_lookup - gang pagecache lookup 460 * pagevec_lookup - gang pagecache lookup
484 * @pvec: Where the resulting pages are placed 461 * @pvec: Where the resulting pages are placed
485 * @mapping: The address_space to search 462 * @mapping: The address_space to search