The patch titled Subject: mm: replace list_move_tail() with add_page_to_lru_list_tail() has been added to the -mm tree. Its filename is mm-replace-list_move_tail-with-add_page_to_lru_list_tail.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-replace-list_move_tail-with-add_page_to_lru_list_tail.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-replace-list_move_tail-with-add_page_to_lru_list_tail.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Yu Zhao <yuzhao@xxxxxxxxxx> Subject: mm: replace list_move_tail() with add_page_to_lru_list_tail() This is a cleanup patch that replaces two historical uses of list_move_tail() with relatively recent add_page_to_lru_list_tail(). Link: http://lkml.kernel.org/r/20190716212436.7137-1-yuzhao@xxxxxxxxxx Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Cc: Ira Weiny <ira.weiny@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/swap.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) --- a/mm/swap.c~mm-replace-list_move_tail-with-add_page_to_lru_list_tail +++ a/mm/swap.c @@ -515,7 +515,6 @@ static void lru_deactivate_file_fn(struc del_page_from_lru_list(page, lruvec, lru + active); ClearPageActive(page); ClearPageReferenced(page); - add_page_to_lru_list(page, lruvec, lru); if (PageWriteback(page) || PageDirty(page)) { /* @@ -523,13 +522,14 @@ static void lru_deactivate_file_fn(struc * It can make readahead confusing. But race window * is _really_ small and it's non-critical problem. */ + add_page_to_lru_list(page, lruvec, lru); SetPageReclaim(page); } else { /* * The page's writeback ends up during pagevec * We moves tha page into tail of inactive. */ - list_move_tail(&page->lru, &lruvec->lists[lru]); + add_page_to_lru_list_tail(page, lruvec, lru); __count_vm_event(PGROTATED); } @@ -844,17 +844,15 @@ void lru_add_page_tail(struct page *page get_page(page_tail); list_add_tail(&page_tail->lru, list); } else { - struct list_head *list_head; /* * Head page has not yet been counted, as an hpage, * so we must account for each subpage individually. * - * Use the standard add function to put page_tail on the list, - * but then correct its position so they all end up in order. + * Put page_tail on the list at the correct position + * so they all end up in order. */ - add_page_to_lru_list(page_tail, lruvec, page_lru(page_tail)); - list_head = page_tail->lru.prev; - list_move_tail(&page_tail->lru, list_head); + add_page_to_lru_list_tail(page_tail, lruvec, + page_lru(page_tail)); } if (!PageUnevictable(page)) _ Patches currently in -mm which might be from yuzhao@xxxxxxxxxx are mm-replace-list_move_tail-with-add_page_to_lru_list_tail.patch mm-dont-expose-page-to-fast-gup-before-its-ready.patch