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mm: remove pagevec_swap_free()

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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]>
This commit is contained in:
KOSAKI Motohiro 2009-03-31 15:23:14 -07:00 • committed by Linus Torvalds
commit d1d7487173
2 changed files with 0 additions and 24 deletions
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23
mm/swap.c
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@ -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