diff options
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/mm/swap.c b/mm/swap.c index 9285e60c7d6e..d16d65d9b4e0 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -241,7 +241,7 @@ static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec, del_page_from_lru_list(page, lruvec, page_lru(page)); ClearPageActive(page); add_page_to_lru_list_tail(page, lruvec, page_lru(page)); - (*pgmoved) += hpage_nr_pages(page); + (*pgmoved) += thp_nr_pages(page); } } @@ -312,7 +312,7 @@ void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages) void lru_note_cost_page(struct page *page) { lru_note_cost(mem_cgroup_page_lruvec(page, page_pgdat(page)), - page_is_file_lru(page), hpage_nr_pages(page)); + page_is_file_lru(page), thp_nr_pages(page)); } static void __activate_page(struct page *page, struct lruvec *lruvec, @@ -320,7 +320,7 @@ static void __activate_page(struct page *page, struct lruvec *lruvec, { if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) { int lru = page_lru_base_type(page); - int nr_pages = hpage_nr_pages(page); + int nr_pages = thp_nr_pages(page); del_page_from_lru_list(page, lruvec, lru); SetPageActive(page); @@ -500,7 +500,7 @@ void lru_cache_add_inactive_or_unevictable(struct page *page, * lock is held(spinlock), which implies preemption disabled. */ __mod_zone_page_state(page_zone(page), NR_MLOCK, - hpage_nr_pages(page)); + thp_nr_pages(page)); count_vm_event(UNEVICTABLE_PGMLOCKED); } lru_cache_add(page); @@ -532,7 +532,7 @@ static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec, { int lru; bool active; - int nr_pages = hpage_nr_pages(page); + int nr_pages = thp_nr_pages(page); if (!PageLRU(page)) return; @@ -580,7 +580,7 @@ static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec, { if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) { int lru = page_lru_base_type(page); - int nr_pages = hpage_nr_pages(page); + int nr_pages = thp_nr_pages(page); del_page_from_lru_list(page, lruvec, lru + LRU_ACTIVE); ClearPageActive(page); @@ -599,7 +599,7 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec, if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) && !PageSwapCache(page) && !PageUnevictable(page)) { bool active = PageActive(page); - int nr_pages = hpage_nr_pages(page); + int nr_pages = thp_nr_pages(page); del_page_from_lru_list(page, lruvec, LRU_INACTIVE_ANON + active); @@ -632,7 +632,8 @@ void lru_add_drain_cpu(int cpu) __pagevec_lru_add(pvec); pvec = &per_cpu(lru_rotate.pvec, cpu); - if (pagevec_count(pvec)) { + /* Disabling interrupts below acts as a compiler barrier. */ + if (data_race(pagevec_count(pvec))) { unsigned long flags; /* No harm done if a racing interrupt already did this */ @@ -793,7 +794,7 @@ void lru_add_drain_all(void) struct work_struct *work = &per_cpu(lru_add_drain_work, cpu); if (pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) || - pagevec_count(&per_cpu(lru_rotate.pvec, cpu)) || + data_race(pagevec_count(&per_cpu(lru_rotate.pvec, cpu))) || pagevec_count(&per_cpu(lru_pvecs.lru_deactivate_file, cpu)) || pagevec_count(&per_cpu(lru_pvecs.lru_deactivate, cpu)) || pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) || @@ -972,7 +973,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec, { enum lru_list lru; int was_unevictable = TestClearPageUnevictable(page); - int nr_pages = hpage_nr_pages(page); + int nr_pages = thp_nr_pages(page); VM_BUG_ON_PAGE(PageLRU(page), page); |