[PATCH 3/5] mm: remove add_page_to_lru_list() function

From: alexs
Date: Thu Jan 20 2022 - 08:11:06 EST


From: Alex Shi <alexs@xxxxxxxxxx>

The function could be fully replaced by ruvec_add_folio(), no reason to
keep a duplicate one.

Signed-off-by: Alex Shi <alexs@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Yu Zhao <yuzhao@xxxxxxxxxx>
Cc: Alex Shi <alexs@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
---
include/linux/mm_inline.h | 6 ------
mm/swap.c | 6 +++---
mm/vmscan.c | 4 ++--
3 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index c2384da888b4..7d7abd5ff73f 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -92,12 +92,6 @@ void lruvec_add_folio(struct lruvec *lruvec, struct folio *folio)
list_add(&folio->lru, &lruvec->lists[lru]);
}

-static __always_inline void add_page_to_lru_list(struct page *page,
- struct lruvec *lruvec)
-{
- lruvec_add_folio(lruvec, page_folio(page));
-}
-
static __always_inline
void lruvec_add_folio_tail(struct lruvec *lruvec, struct folio *folio)
{
diff --git a/mm/swap.c b/mm/swap.c
index 953cf8860542..fb101a06dce4 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -543,7 +543,7 @@ 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);
+ lruvec_add_folio(lruvec, page_folio(page));
SetPageReclaim(page);
} else {
/*
@@ -569,7 +569,7 @@ static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec)
del_page_from_lru_list(page, lruvec);
ClearPageActive(page);
ClearPageReferenced(page);
- add_page_to_lru_list(page, lruvec);
+ lruvec_add_folio(lruvec, page_folio(page));

__count_vm_events(PGDEACTIVATE, nr_pages);
__count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE,
@@ -592,7 +592,7 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec)
* anonymous pages
*/
ClearPageSwapBacked(page);
- add_page_to_lru_list(page, lruvec);
+ lruvec_add_folio(lruvec, page_folio(page));

__count_vm_events(PGLAZYFREE, nr_pages);
__count_memcg_events(lruvec_memcg(lruvec), PGLAZYFREE,
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 59a52ba8b52a..f09473c9ff35 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2354,7 +2354,7 @@ static unsigned int move_pages_to_lru(struct lruvec *lruvec,
* inhibits memcg migration).
*/
VM_BUG_ON_PAGE(!folio_matches_lruvec(page_folio(page), lruvec), page);
- add_page_to_lru_list(page, lruvec);
+ lruvec_add_folio(lruvec, page_folio(page));
nr_pages = thp_nr_pages(page);
nr_moved += nr_pages;
if (PageActive(page))
@@ -4875,7 +4875,7 @@ void check_move_unevictable_pages(struct pagevec *pvec)
if (page_evictable(page) && PageUnevictable(page)) {
del_page_from_lru_list(page, lruvec);
ClearPageUnevictable(page);
- add_page_to_lru_list(page, lruvec);
+ lruvec_add_folio(lruvec, page_folio(page));
pgrescued += nr_pages;
}
SetPageLRU(page);
--
2.25.1