linux-kernel - [PATCH] mm: kill [add|del]_page_to_lru

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Message-ID: <20230609013901.79250-1-wangkefeng.wang@huawei.com>
Date:   Fri, 9 Jun 2023 09:39:01 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>, <linux-mm@...ck.org>
CC:     <linux-kernel@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH] mm: kill [add|del]_page_to_lru_list()

Directly call lruvec_del_folio(), and drop unused page interfaces.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 include/linux/mm_inline.h | 12 ------------
 mm/compaction.c           |  2 +-
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 0e1d239a882c..e9cdeb290841 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -323,12 +323,6 @@ 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)
 {
@@ -357,12 +351,6 @@ void lruvec_del_folio(struct lruvec *lruvec, struct folio *folio)
 			-folio_nr_pages(folio));
 }
 
-static __always_inline void del_page_from_lru_list(struct page *page,
-				struct lruvec *lruvec)
-{
-	lruvec_del_folio(lruvec, page_folio(page));
-}
-
 #ifdef CONFIG_ANON_VMA_NAME
 /*
  * mmap_lock should be read-locked when calling anon_vma_name(). Caller should
diff --git a/mm/compaction.c b/mm/compaction.c
index 3398ef3a55fe..66b442d20d01 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1145,7 +1145,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
 			low_pfn += compound_nr(page) - 1;
 
 		/* Successfully isolated */
-		del_page_from_lru_list(page, lruvec);
+		lruvec_del_folio(lruvec, page_folio(page));
 		mod_node_page_state(page_pgdat(page),
 				NR_ISOLATED_ANON + page_is_file_lru(page),
 				thp_nr_pages(page));
-- 
2.35.3