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mm: replace list_move_tail() with add_page_to_lru_list_tail()

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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@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yu Zhao 2019-09-23 15:34:33 -07:00 committed by Linus Torvalds
parent d8c6546b1a
commit e7a1aaf287
1 changed files with 6 additions and 8 deletions
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14
mm/swap.c
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@ -515,7 +515,6 @@ static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec,
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(struct page *page, struct lruvec *lruvec,
* 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, struct page *page_tail,
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))