[patch 166/200] mm: truncate_complete_page() does not exist any more

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From: Yang Shi <shy828301@xxxxxxxxx>
Subject: mm: truncate_complete_page() does not exist any more

Patch series "mm: misc migrate cleanup and improvement", v3.


This patch (of 5):

The commit 9f4e41f4717832e ("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.

Link: https://lkml.kernel.org/r/20201113205359.556831-1-shy828301@xxxxxxxxx
Link: https://lkml.kernel.org/r/20201113205359.556831-2-shy828301@xxxxxxxxx
Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Cc: Song Liu <songliubraving@xxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/migrate.c |    2 +-
 mm/vmscan.c  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/mm/migrate.c~mm-truncate_complete_page-is-not-existed-anymore
+++ a/mm/migrate.c
@@ -1106,7 +1106,7 @@ static int __unmap_and_move(struct page
 	 * 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
--- a/mm/vmscan.c~mm-truncate_complete_page-is-not-existed-anymore
+++ a/mm/vmscan.c
@@ -1390,7 +1390,7 @@ static unsigned int shrink_page_list(str
 		 *
 		 * 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.
_



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