linux-kernel - [v3 PATCH 1/5] mm: truncate_complete

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Date:   Fri, 13 Nov 2020 12:53:55 -0800
From:   Yang Shi <shy828301@...il.com>
To:     mhocko@...e.com, ziy@...dia.com, songliubraving@...com,
        mgorman@...e.de, jack@...e.cz, willy@...radead.org,
        akpm@...ux-foundation.org
Cc:     shy828301@...il.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [v3 PATCH 1/5] mm: truncate_complete_page is not existed anymore

The commit 9f4e41f4717832e34cca153ced62b4a1d7e26c0e ("mm: refactor
truncate_complete_page()") refactored truncate_complete_page(), and it
is not existed anymore, correct the comment in vmscan and migrate to avoid
confusion.

Reviewed-by: Jan Kara <jack@...e.cz>
Signed-off-by: Yang Shi <shy828301@...il.com>
---
 mm/migrate.c | 2 +-
 mm/vmscan.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 5ca5842df5db..8a2e7e19e27b 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1106,7 +1106,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
 	 * and treated as swapcache but it has no rmap yet.
 	 * Calling try_to_unmap() against a page->mapping==NULL page will
 	 * trigger a BUG.  So handle it here.
-	 * 2. An orphaned page (see truncate_complete_page) might have
+	 * 2. An orphaned page (see truncate_cleanup_page) might have
 	 * fs-private metadata. The page can be picked up due to memory
 	 * offlining.  Everywhere else except page reclaim, the page is
 	 * invisible to the vm, so the page can not be migrated.  So try to
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1b8f0e059767..165cca87edc8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1393,7 +1393,7 @@ static unsigned int shrink_page_list(struct list_head *page_list,
 		 *
 		 * Rarely, pages can have buffers and no ->mapping.  These are
 		 * the pages which were not successfully invalidated in
-		 * truncate_complete_page().  We try to drop those buffers here
+		 * truncate_cleanup_page().  We try to drop those buffers here
 		 * and if that worked, and the page is no longer mapped into
 		 * process address space (page_count == 1) it can be freed.
 		 * Otherwise, leave the page on the LRU so it is swappable.
-- 
2.26.2