mm: remove pagevec_swap_free()

pagevec_swap_free() is now unused. Signed-off-by: KOSAKI Motohiro <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Rik van Riel <[email protected]> Acked-by: Hugh Dickins <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · Apr 1, 2009 · d1d7487 · d1d7487
1 parent ad1c354
commit d1d7487
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diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
@@ -24,7 +24,6 @@ void __pagevec_release(struct pagevec *pvec);
 void __pagevec_free(struct pagevec *pvec);
 void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
 void pagevec_strip(struct pagevec *pvec);
-void pagevec_swap_free(struct pagevec *pvec);
 unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
 		pgoff_t start, unsigned nr_pages);
 unsigned pagevec_lookup_tag(struct pagevec *pvec,

diff --git a/mm/swap.c b/mm/swap.c
@@ -456,29 +456,6 @@ void pagevec_strip(struct pagevec *pvec)
 	}
 }
 
-/**
- * pagevec_swap_free - try to free swap space from the pages in a pagevec
- * @pvec: pagevec with swapcache pages to free the swap space of
- *
- * The caller needs to hold an extra reference to each page and
- * not hold the page lock on the pages.  This function uses a
- * trylock on the page lock so it may not always free the swap
- * space associated with a page.
- */
-void pagevec_swap_free(struct pagevec *pvec)
-{
-	int i;
-
-	for (i = 0; i < pagevec_count(pvec); i++) {
-		struct page *page = pvec->pages[i];
-
-		if (PageSwapCache(page) && trylock_page(page)) {
-			try_to_free_swap(page);
-			unlock_page(page);
-		}
-	}
-}
-
 /**
  * pagevec_lookup - gang pagecache lookup
  * @pvec:	Where the resulting pages are placed