The recently introduced PG_dropbehind allows for freeing folios immediately after writeback. Unlike PG_reclaim, it does not need vmscan to be involved to get the folio freed. Instead of using folio_set_reclaim(), use folio_set_dropbehind() in zswap_writeback_entry(). Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> --- mm/zswap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/zswap.c b/mm/zswap.c index 167ae641379f..c20bad0b0978 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -1096,8 +1096,8 @@ static int zswap_writeback_entry(struct zswap_entry *entry, /* folio is up to date */ folio_mark_uptodate(folio); - /* move it to the tail of the inactive list after end_writeback */ - folio_set_reclaim(folio); + /* free the folio after writeback */ + folio_set_dropbehind(folio); /* start writeback */ __swap_writepage(folio, &wbc); -- 2.45.2
