diff options
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/mm/swap.c b/mm/swap.c index ba9fc21b24ea..2cca7141470c 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -210,19 +210,12 @@ static void pagevec_lru_move_fn(struct pagevec *pvec, for (i = 0; i < pagevec_count(pvec); i++) { struct page *page = pvec->pages[i]; - struct lruvec *new_lruvec; /* block memcg migration during page moving between lru */ if (!TestClearPageLRU(page)) continue; - new_lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page)); - if (lruvec != new_lruvec) { - if (lruvec) - unlock_page_lruvec_irqrestore(lruvec, flags); - lruvec = lock_page_lruvec_irqsave(page, &flags); - } - + lruvec = relock_page_lruvec_irqsave(page, lruvec, &flags); (*move_fn)(page, lruvec); SetPageLRU(page); @@ -918,17 +911,12 @@ void release_pages(struct page **pages, int nr) } if (PageLRU(page)) { - struct lruvec *new_lruvec; - - new_lruvec = mem_cgroup_page_lruvec(page, - page_pgdat(page)); - if (new_lruvec != lruvec) { - if (lruvec) - unlock_page_lruvec_irqrestore(lruvec, - flags); + struct lruvec *prev_lruvec = lruvec; + + lruvec = relock_page_lruvec_irqsave(page, lruvec, + &flags); + if (prev_lruvec != lruvec) lock_batch = 0; - lruvec = lock_page_lruvec_irqsave(page, &flags); - } VM_BUG_ON_PAGE(!PageLRU(page), page); __ClearPageLRU(page); @@ -1033,15 +1021,8 @@ void __pagevec_lru_add(struct pagevec *pvec) for (i = 0; i < pagevec_count(pvec); i++) { struct page *page = pvec->pages[i]; - struct lruvec *new_lruvec; - - new_lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page)); - if (lruvec != new_lruvec) { - if (lruvec) - unlock_page_lruvec_irqrestore(lruvec, flags); - lruvec = lock_page_lruvec_irqsave(page, &flags); - } + lruvec = relock_page_lruvec_irqsave(page, lruvec, &flags); __pagevec_lru_add_fn(page, lruvec); } if (lruvec) |