diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index f1a08cde3aed..730b0210175e 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -65,6 +65,8 @@ static inline enum lru_list page_lru_base_type(struct page *page) */ static __always_inline void __clear_page_lru_flags(struct page *page) { + VM_BUG_ON_PAGE(!PageLRU(page), page); + __ClearPageLRU(page); /* this shouldn't happen, so leave the flags to bad_page() */ @@ -86,6 +88,8 @@ static __always_inline enum lru_list page_lru(struct page *page) { enum lru_list lru; + VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page); + if (PageUnevictable(page)) lru = LRU_UNEVICTABLE; else { diff --git a/mm/swap.c b/mm/swap.c index 30d519039d32..a84f55076706 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -65,7 +65,6 @@ static void __page_cache_release(struct page *page) spin_lock_irqsave(zone_lru_lock(zone), flags); lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat); - VM_BUG_ON_PAGE(!PageLRU(page), page); del_page_from_lru_list(page, lruvec); __clear_page_lru_flags(page); spin_unlock_irqrestore(zone_lru_lock(zone), flags); @@ -776,7 +775,6 @@ void release_pages(struct page **pages, int nr) } lruvec = mem_cgroup_page_lruvec(page, locked_pgdat); - VM_BUG_ON_PAGE(!PageLRU(page), page); del_page_from_lru_list(page, lruvec); __clear_page_lru_flags(page); } diff --git a/mm/vmscan.c b/mm/vmscan.c index a4124af71de6..21a5807600a8 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4464,7 +4464,6 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages) continue; if (page_evictable(page)) { - VM_BUG_ON_PAGE(PageActive(page), page); del_page_from_lru_list(page, lruvec); ClearPageUnevictable(page); add_page_to_lru_list(page, lruvec);