walk->can_swap might be invalid since it's not guaranteed to be initialized for the particular lruvec. Instead deduce it from the folio type (anon/file). Cc: Yu Zhao <yuzhao@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Kalesh Singh <kaleshsingh@xxxxxxxxxx> --- mm/vmscan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 6eecd291756c..b4329f93a682 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4656,6 +4656,7 @@ void lru_gen_look_around(struct page_vma_mapped_walk *pvmw) pte_t *pte = pvmw->pte; unsigned long addr = pvmw->address; struct folio *folio = pfn_folio(pvmw->pfn); + bool can_swap = !folio_is_file_lru(folio); struct mem_cgroup *memcg = folio_memcg(folio); struct pglist_data *pgdat = folio_pgdat(folio); struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat); @@ -4704,7 +4705,7 @@ void lru_gen_look_around(struct page_vma_mapped_walk *pvmw) if (!pte_young(ptent)) continue; - folio = get_pfn_folio(pfn, memcg, pgdat, !walk || walk->can_swap); + folio = get_pfn_folio(pfn, memcg, pgdat, can_swap); if (!folio) continue; -- 2.41.0.255.g8b1d071c50-goog
