[PATCH 01/11] mm: use add_page_to_lru_list()

[Yu Zhao]

There is add_page_to_lru_list(), and move_pages_to_lru() should reuse
it, not duplicate it.

Signed-off-by: Yu Zhao <yuz...@google.com>
---
 mm/vmscan.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 469016222cdb..a174594e40f8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1821,7 +1821,6 @@ static unsigned noinline_for_stack 
move_pages_to_lru(struct lruvec *lruvec,
        int nr_pages, nr_moved = 0;
        LIST_HEAD(pages_to_free);
        struct page *page;
-       enum lru_list lru;
 
        while (!list_empty(list)) {
                page = lru_to_page(list);
@@ -1866,11 +1865,8 @@ static unsigned noinline_for_stack 
move_pages_to_lru(struct lruvec *lruvec,
                 * inhibits memcg migration).
                 */
                VM_BUG_ON_PAGE(!lruvec_holds_page_lru_lock(page, lruvec), page);
-               lru = page_lru(page);
+               add_page_to_lru_list(page, lruvec, page_lru(page));
                nr_pages = thp_nr_pages(page);
-
-               update_lru_size(lruvec, lru, page_zonenum(page), nr_pages);
-               list_add(&page->lru, &lruvec->lists[lru]);
                nr_moved += nr_pages;
                if (PageActive(page))
                        workingset_age_nonresident(lruvec, nr_pages);
-- 
2.29.2.576.ga3fc446d84-goog