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SubjectRe: [PATCH v2 01/10] mm: use add_page_to_lru_list()
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On 1/22/21 11:05 PM, Yu Zhao wrote:
> There is add_page_to_lru_list(), and move_pages_to_lru() should reuse
> it, not duplicate it.
>
> Link: https://lore.kernel.org/linux-mm/20201207220949.830352-2-yuzhao@google.com/
> Signed-off-by: Yu Zhao <yuzhao@google.com>
> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>

Acked-by: Vlastimil Babka <vbabka@suse.cz>

> ---
> mm/vmscan.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 04509994aed4..19875660e8f8 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1823,7 +1823,6 @@ 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);
> @@ -1868,11 +1867,8 @@ 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);
>

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