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.
_
