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>
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@ -24,7 +24,6 @@ void __pagevec_release(struct pagevec *pvec);
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void __pagevec_free(struct pagevec *pvec);
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void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
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void pagevec_strip(struct pagevec *pvec);
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void pagevec_swap_free(struct pagevec *pvec);
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unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
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pgoff_t start, unsigned nr_pages);
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unsigned pagevec_lookup_tag(struct pagevec *pvec,
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23
mm/swap.c
23
mm/swap.c
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@ -456,29 +456,6 @@ void pagevec_strip(struct pagevec *pvec)
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}
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}
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/**
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* pagevec_swap_free - try to free swap space from the pages in a pagevec
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* @pvec: pagevec with swapcache pages to free the swap space of
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*
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* The caller needs to hold an extra reference to each page and
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* not hold the page lock on the pages. This function uses a
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* trylock on the page lock so it may not always free the swap
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* space associated with a page.
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*/
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void pagevec_swap_free(struct pagevec *pvec)
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{
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int i;
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for (i = 0; i < pagevec_count(pvec); i++) {
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struct page *page = pvec->pages[i];
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if (PageSwapCache(page) && trylock_page(page)) {
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try_to_free_swap(page);
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unlock_page(page);
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}
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}
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}
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/**
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* pagevec_lookup - gang pagecache lookup
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* @pvec: Where the resulting pages are placed
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