From e20c41b1091a24dff7ad4cfd99cd5a4f527fe3c4 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 17 Jan 2022 14:35:22 -0500 Subject: mm/vmscan: Turn page_check_dirty_writeback() into folio_check_dirty_writeback() Saves a few calls to compound_head(). Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig --- mm/vmscan.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 5a018aa5ab7c..815fe89d37f9 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1437,7 +1437,7 @@ static enum page_references page_check_references(struct page *page, } /* Check if a page is dirty or under writeback */ -static void page_check_dirty_writeback(struct page *page, +static void folio_check_dirty_writeback(struct folio *folio, bool *dirty, bool *writeback) { struct address_space *mapping; @@ -1446,24 +1446,24 @@ static void page_check_dirty_writeback(struct page *page, * Anonymous pages are not handled by flushers and must be written * from reclaim context. Do not stall reclaim based on them */ - if (!page_is_file_lru(page) || - (PageAnon(page) && !PageSwapBacked(page))) { + if (!folio_is_file_lru(folio) || + (folio_test_anon(folio) && !folio_test_swapbacked(folio))) { *dirty = false; *writeback = false; return; } - /* By default assume that the page flags are accurate */ - *dirty = PageDirty(page); - *writeback = PageWriteback(page); + /* By default assume that the folio flags are accurate */ + *dirty = folio_test_dirty(folio); + *writeback = folio_test_writeback(folio); /* Verify dirty/writeback state if the filesystem supports it */ - if (!page_has_private(page)) + if (!folio_test_private(folio)) return; - mapping = page_mapping(page); + mapping = folio_mapping(folio); if (mapping && mapping->a_ops->is_dirty_writeback) - mapping->a_ops->is_dirty_writeback(page, dirty, writeback); + mapping->a_ops->is_dirty_writeback(&folio->page, dirty, writeback); } static struct page *alloc_demote_page(struct page *page, unsigned long node) @@ -1572,7 +1572,7 @@ retry: * reclaim_congested. kswapd will stall and start writing * pages if the tail of the LRU is all dirty unqueued pages. */ - page_check_dirty_writeback(page, &dirty, &writeback); + folio_check_dirty_writeback(folio, &dirty, &writeback); if (dirty || writeback) stat->nr_dirty++; -- cgit v1.2.3