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[PATCHv2,08/11] mm/mglru: Check PG_dropbehind instead of PG_reclaim in lru_gen_folio_seq()

Message ID 20250115093135.3288234-9-kirill.shutemov@linux.intel.com (mailing list archive)
State New
Headers show
Series Get rid of PG_reclaim and rename PG_dropbehind | expand

Commit Message

Kirill A. Shutemov Jan. 15, 2025, 9:31 a.m. UTC 
Kernel sets PG_dropcache instead of PG_reclaim everywhere. Check
PG_dropcache in lru_gen_folio_seq().

No need to check for dirty and writeback as there's no conflict with
PG_readahead anymore.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
---
 include/linux/mm_inline.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index f9157a0c42a5..f353d3c610ac 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -241,8 +241,7 @@  static inline unsigned long lru_gen_folio_seq(struct lruvec *lruvec, struct foli
 	else if (reclaiming)
 		gen = MAX_NR_GENS;
 	else if ((!folio_is_file_lru(folio) && !folio_test_swapcache(folio)) ||
-		 (folio_test_reclaim(folio) &&
-		  (folio_test_dirty(folio) || folio_test_writeback(folio))))
+		 folio_test_dropbehind(folio))
 		gen = MIN_NR_GENS;
 	else
 		gen = MAX_NR_GENS - folio_test_workingset(folio);