diff options
| -rw-r--r-- | include/linux/swap.h | 4 | ||||
| -rw-r--r-- | include/linux/vmstat.h | 1 | ||||
| -rw-r--r-- | mm/swap.c | 16 | ||||
| -rw-r--r-- | mm/swap_state.c | 2 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 | ||||
| -rw-r--r-- | mm/workingset.c | 2 |
6 files changed, 19 insertions, 9 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 0b71bf75fb67..4c5974bb9ba9 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -334,7 +334,9 @@ extern unsigned long nr_free_pagecache_pages(void); /* linux/mm/swap.c */ -extern void lru_note_cost(struct page *); +extern void lru_note_cost(struct lruvec *lruvec, bool file, + unsigned int nr_pages); +extern void lru_note_cost_page(struct page *); extern void lru_cache_add(struct page *); extern void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *head); diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 10cc932e209a..3d12c34cd42a 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -26,6 +26,7 @@ struct reclaim_stat { unsigned nr_congested; unsigned nr_writeback; unsigned nr_immediate; + unsigned nr_pageout; unsigned nr_activate[2]; unsigned nr_ref_keep; unsigned nr_unmap_fail; diff --git a/mm/swap.c b/mm/swap.c index 4dff2123f695..343675d629ae 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -278,18 +278,16 @@ void rotate_reclaimable_page(struct page *page) } } -void lru_note_cost(struct page *page) +void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages) { - struct lruvec *lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page)); - do { unsigned long lrusize; /* Record cost event */ - if (page_is_file_lru(page)) - lruvec->file_cost++; + if (file) + lruvec->file_cost += nr_pages; else - lruvec->anon_cost++; + lruvec->anon_cost += nr_pages; /* * Decay previous events @@ -311,6 +309,12 @@ void lru_note_cost(struct page *page) } while ((lruvec = parent_lruvec(lruvec))); } +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)); +} + static void __activate_page(struct page *page, struct lruvec *lruvec, void *arg) { diff --git a/mm/swap_state.c b/mm/swap_state.c index 1cd0b345ff7e..9d20b00627af 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -442,7 +442,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, /* XXX: Move to lru_cache_add() when it supports new vs putback */ spin_lock_irq(&page_pgdat(page)->lru_lock); - lru_note_cost(page); + lru_note_cost_page(page); spin_unlock_irq(&page_pgdat(page)->lru_lock); /* Caller will initiate read into locked page */ diff --git a/mm/vmscan.c b/mm/vmscan.c index d08640f0235c..14ffe9ccf7ef 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1359,6 +1359,8 @@ static unsigned int shrink_page_list(struct list_head *page_list, case PAGE_ACTIVATE: goto activate_locked; case PAGE_SUCCESS: + stat->nr_pageout += hpage_nr_pages(page); + if (PageWriteback(page)) goto keep; if (PageDirty(page)) @@ -1964,6 +1966,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, move_pages_to_lru(lruvec, &page_list); __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken); + lru_note_cost(lruvec, file, stat.nr_pageout); item = current_is_kswapd() ? PGSTEAL_KSWAPD : PGSTEAL_DIRECT; if (!cgroup_reclaim(sc)) __count_vm_events(item, nr_reclaimed); diff --git a/mm/workingset.c b/mm/workingset.c index a6a2a740ed0b..d481ea452eeb 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -367,7 +367,7 @@ void workingset_refault(struct page *page, void *shadow) SetPageWorkingset(page); /* XXX: Move to lru_cache_add() when it supports new vs putback */ spin_lock_irq(&page_pgdat(page)->lru_lock); - lru_note_cost(page); + lru_note_cost_page(page); spin_unlock_irq(&page_pgdat(page)->lru_lock); inc_lruvec_state(lruvec, WORKINGSET_RESTORE); } |