Saves a few calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/vmscan.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 15cbfae0d8ec..e8c5855bc38d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1430,7 +1430,7 @@ 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;
@@ -1439,24 +1439,24 @@ 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)
@@ -1565,7 +1565,7 @@ static unsigned int shrink_page_list(struct list_head *page_list,
* 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++;
--
2.34.1
