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Date:   Fri, 22 Jan 2021 15:05:52 -0700
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Subject: [PATCH v2 02/10] mm: shuffle lru list addition and deletion functions
From:   Yu Zhao <yuzhao@google.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Hugh Dickins <hughd@google.com>,
        Alex Shi <alex.shi@linux.alibaba.com>
Cc:     Michal Hocko <mhocko@kernel.org>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Vladimir Davydov <vdavydov.dev@gmail.com>,
        Roman Gushchin <guro@fb.com>, Vlastimil Babka <vbabka@suse.cz>,
        Matthew Wilcox <willy@infradead.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Yu Zhao <yuzhao@google.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

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

Link: https://lore.kernel.org/linux-mm/20201207220949.830352-3-yuzhao@google.com/
Signed-off-by: Yu Zhao <yuzhao@google.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
-- 
2.30.0.280.ga3ce27912f-goog