diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index dda6b80d045f..a5ad0b35ab8e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1614,8 +1614,8 @@ static __always_inline void update_lru_sizes(struct lruvec *lruvec, } -/* - * zone_lru_lock is heavily contended. Some of the functions that +/** + * pgdat->lru_lock is heavily contended. Some of the functions that * shrink the lists perform better by taking out a batch of pages * and working on them outside the LRU lock. * @@ -1750,11 +1750,11 @@ int isolate_lru_page(struct page *page) WARN_RATELIMIT(PageTail(page), "trying to isolate tail page"); if (PageLRU(page)) { - struct zone *zone = page_zone(page); + pg_data_t *pgdat = page_pgdat(page); struct lruvec *lruvec; - spin_lock_irq(zone_lru_lock(zone)); - lruvec = mem_cgroup_page_lruvec(page, zone->zone_pgdat); + spin_lock_irq(&pgdat->lru_lock); + lruvec = mem_cgroup_page_lruvec(page, pgdat); if (PageLRU(page)) { int lru = page_lru(page); get_page(page); @@ -1762,7 +1762,7 @@ int isolate_lru_page(struct page *page) del_page_from_lru_list(page, lruvec, lru); ret = 0; } - spin_unlock_irq(zone_lru_lock(zone)); + spin_unlock_irq(&pgdat->lru_lock); } return ret; } @@ -1990,9 +1990,9 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, * processes, from rmap. * * If the pages are mostly unmapped, the processing is fast and it is - * appropriate to hold zone_lru_lock across the whole operation. But if + * appropriate to hold pgdat->lru_lock across the whole operation. But if * the pages are mapped, the processing is slow (page_referenced()) so we - * should drop zone_lru_lock around each page. It's impossible to balance + * should drop pgdat->lru_lock around each page. It's impossible to balance * this, so instead we remove the pages from the LRU while processing them. * It is safe to rely on PG_active against the non-LRU pages in here because * nobody will play with that bit on a non-LRU page. |