start/end writeback combination incorrectly increments NR_WRITTEN counter, eventhough the pages aren't written to disk. Pages successfully stored in zswap should just unlock folio and return from writepage. Signed-off-by: Usama Arif <usamaarif642@xxxxxxxxx> --- mm/page_io.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/page_io.c b/mm/page_io.c index a360857cf75d..501784d79977 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -196,9 +196,7 @@ int swap_writepage(struct page *page, struct writeback_control *wbc) return ret; } if (zswap_store(folio)) { - folio_start_writeback(folio); folio_unlock(folio); - folio_end_writeback(folio); return 0; } if (!mem_cgroup_zswap_writeback_enabled(folio_memcg(folio))) { -- 2.43.0