From a83f0551f49682c81444d682053d49f9dfcbe5fa Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Fri, 17 Jun 2022 16:42:48 +0100 Subject: [PATCH] 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) Reviewed-by: Christoph Hellwig Signed-off-by: Andrew Morton --- mm/vmscan.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 8e22a11..e7d3db6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2619,34 +2619,33 @@ static unsigned int reclaim_page_list(struct list_head *page_list, return nr_reclaimed; } -unsigned long reclaim_pages(struct list_head *page_list) +unsigned long reclaim_pages(struct list_head *folio_list) { int nid; unsigned int nr_reclaimed = 0; - LIST_HEAD(node_page_list); - struct page *page; + LIST_HEAD(node_folio_list); unsigned int noreclaim_flag; - if (list_empty(page_list)) + if (list_empty(folio_list)) return nr_reclaimed; noreclaim_flag = memalloc_noreclaim_save(); - nid = page_to_nid(lru_to_page(page_list)); + nid = folio_nid(lru_to_folio(folio_list)); do { - page = lru_to_page(page_list); + struct folio *folio = lru_to_folio(folio_list); - if (nid == page_to_nid(page)) { - ClearPageActive(page); - list_move(&page->lru, &node_page_list); + if (nid == folio_nid(folio)) { + folio_clear_active(folio); + list_move(&folio->lru, &node_folio_list); continue; } - nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid)); - nid = page_to_nid(lru_to_page(page_list)); - } while (!list_empty(page_list)); + nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid)); + nid = folio_nid(lru_to_folio(folio_list)); + } while (!list_empty(folio_list)); - nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid)); + nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid)); memalloc_noreclaim_restore(noreclaim_flag); -- 2.7.4