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mm/vmscan: convert reclaim_pages() to use a folio
Remove a few hidden calls to compound_head, saving 76 bytes of text. Link: https://lkml.kernel.org/r/20220617154248.700416-6-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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25
mm/vmscan.c
25
mm/vmscan.c
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@ -2619,34 +2619,33 @@ static unsigned int reclaim_page_list(struct list_head *page_list,
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return nr_reclaimed;
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}
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unsigned long reclaim_pages(struct list_head *page_list)
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unsigned long reclaim_pages(struct list_head *folio_list)
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{
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int nid;
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unsigned int nr_reclaimed = 0;
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LIST_HEAD(node_page_list);
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struct page *page;
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LIST_HEAD(node_folio_list);
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unsigned int noreclaim_flag;
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if (list_empty(page_list))
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if (list_empty(folio_list))
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return nr_reclaimed;
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noreclaim_flag = memalloc_noreclaim_save();
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nid = page_to_nid(lru_to_page(page_list));
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nid = folio_nid(lru_to_folio(folio_list));
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do {
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page = lru_to_page(page_list);
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struct folio *folio = lru_to_folio(folio_list);
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if (nid == page_to_nid(page)) {
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ClearPageActive(page);
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list_move(&page->lru, &node_page_list);
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if (nid == folio_nid(folio)) {
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folio_clear_active(folio);
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list_move(&folio->lru, &node_folio_list);
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continue;
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}
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nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid));
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nid = page_to_nid(lru_to_page(page_list));
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} while (!list_empty(page_list));
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nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid));
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nid = folio_nid(lru_to_folio(folio_list));
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} while (!list_empty(folio_list));
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nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid));
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nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid));
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memalloc_noreclaim_restore(noreclaim_flag);
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