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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-03-31 15:23:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 08:59:13 -0700
commitd1d7487173eab8352125cf6cc271940f24254bd4 (patch)
tree07de142c03385f05beac342ee1c4b93b236445c5
parentad1c3544d0a85da7738ce8cff6f8a148da57935c (diff)
mm: remove pagevec_swap_free()
pagevec_swap_free() is now unused. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Rik van Riel <riel@redhat.com> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-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);
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
index 8adb9feb61e1..6e83084c1f6c 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -457,29 +457,6 @@ 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
* @mapping: The address_space to search