linux-kernel - [PATCH 02/11] mm: shuffle lru list addition and deletion functions

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Date:   Mon,  7 Dec 2020 15:09:40 -0700
From:   Yu Zhao <yuzhao@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Roman Gushchin <guro@...com>, Vlastimil Babka <vbabka@...e.cz>,
        Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Yu Zhao <yuzhao@...gle.com>
Subject: [PATCH 02/11] mm: shuffle lru list addition and deletion functions

These functions will call page_lru() in the following patches. Move
them below page_lru() to avoid the forward declaration.

Signed-off-by: Yu Zhao <yuzhao@...gle.com>
---
 include/linux/mm_inline.h | 42 +++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 8fc71e9d7bb0..2889741f450a 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -45,27 +45,6 @@ static __always_inline void update_lru_size(struct lruvec *lruvec,
 #endif
 }
 
-static __always_inline void add_page_to_lru_list(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
-	list_add(&page->lru, &lruvec->lists[lru]);
-}
-
-static __always_inline void add_page_to_lru_list_tail(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
-	list_add_tail(&page->lru, &lruvec->lists[lru]);
-}
-
-static __always_inline void del_page_from_lru_list(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	list_del(&page->lru);
-	update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page));
-}
-
 /**
  * page_lru_base_type - which LRU list type should a page be on?
  * @page: the page to test
@@ -125,4 +104,25 @@ static __always_inline enum lru_list page_lru(struct page *page)
 	}
 	return lru;
 }
+
+static __always_inline void add_page_to_lru_list(struct page *page,
+				struct lruvec *lruvec, enum lru_list lru)
+{
+	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
+	list_add(&page->lru, &lruvec->lists[lru]);
+}
+
+static __always_inline void add_page_to_lru_list_tail(struct page *page,
+				struct lruvec *lruvec, enum lru_list lru)
+{
+	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
+	list_add_tail(&page->lru, &lruvec->lists[lru]);
+}
+
+static __always_inline void del_page_from_lru_list(struct page *page,
+				struct lruvec *lruvec, enum lru_list lru)
+{
+	list_del(&page->lru);
+	update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page));
+}
 #endif
-- 
2.29.2.576.ga3fc446d84-goog