diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 52eff4070e77..d7b39e6685d1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1091,6 +1091,7 @@ static __always_inline bool free_pages_prepare(struct page *page, bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags); bool init = want_init_on_free(); bool compound = PageCompound(page); + struct folio *folio = page_folio(page); VM_BUG_ON_PAGE(PageTail(page), page); @@ -1100,6 +1101,20 @@ static __always_inline bool free_pages_prepare(struct page *page, if (memcg_kmem_online() && PageMemcgKmem(page)) __memcg_kmem_uncharge_page(page, order); + /* + * In rare cases, when truncation or holepunching raced with + * munlock after VM_LOCKED was cleared, Mlocked may still be + * found set here. This does not indicate a problem, unless + * "unevictable_pgs_cleared" appears worryingly large. + */ + if (unlikely(folio_test_mlocked(folio))) { + long nr_pages = folio_nr_pages(folio); + + __folio_clear_mlocked(folio); + zone_stat_mod_folio(folio, NR_MLOCK, -nr_pages); + count_vm_events(UNEVICTABLE_PGCLEARED, nr_pages); + } + if (unlikely(PageHWPoison(page)) && !order) { /* Do not let hwpoison pages hit pcplists/buddy */ reset_page_owner(page, order); diff --git a/mm/swap.c b/mm/swap.c index cd8f0150ba3a..42082eba42de 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -89,14 +89,6 @@ static void __page_cache_release(struct folio *folio) __folio_clear_lru_flags(folio); unlock_page_lruvec_irqrestore(lruvec, flags); } - /* See comment on folio_test_mlocked in release_pages() */ - if (unlikely(folio_test_mlocked(folio))) { - long nr_pages = folio_nr_pages(folio); - - __folio_clear_mlocked(folio); - zone_stat_mod_folio(folio, NR_MLOCK, -nr_pages); - count_vm_events(UNEVICTABLE_PGCLEARED, nr_pages); - } } static void __folio_put_small(struct folio *folio) @@ -1021,18 +1013,6 @@ void release_pages(release_pages_arg arg, int nr) __folio_clear_lru_flags(folio); } - /* - * In rare cases, when truncation or holepunching raced with - * munlock after VM_LOCKED was cleared, Mlocked may still be - * found set here. This does not indicate a problem, unless - * "unevictable_pgs_cleared" appears worryingly large. - */ - if (unlikely(folio_test_mlocked(folio))) { - __folio_clear_mlocked(folio); - zone_stat_sub_folio(folio, NR_MLOCK); - count_vm_event(UNEVICTABLE_PGCLEARED); - } - list_add(&folio->lru, &pages_to_free); } if (lruvec)