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mm/migrate.c: call detach_page_private to cleanup code

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We can cleanup code a little by call detach_page_private here.

[[email protected]: use attach_page_private(), per Dave]
  http://lkml.kernel.org/r/[email protected]
[[email protected]: clear PagePrivate]
Signed-off-by: Guoqing Jiang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Chao Yu <[email protected]>
Cc: Cong Wang <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Eric Biggers <[email protected]>
Cc: Gao Xiang <[email protected]>
Cc: Jaegeuk Kim <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Joseph Qi <[email protected]>
Cc: Junxiao Bi <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Zi Yan <[email protected]>
Cc: Johannes Thumshirn <[email protected]>
Cc: Miklos Szeredi <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Guoqing Jiang authored and Linus Torvalds committed 2020-06-02 10:59:08 -07:00
1 parent 7b59435a2a
commit cd0f371544
1 file changed
+1 -6
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mm/migrate.c
+1 -6
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@@ -797,10 +797,7 @@ recheck_buffers:
if (rc != MIGRATEPAGE_SUCCESS)
goto unlock_buffers;
ClearPagePrivate(page);
set_page_private(newpage, page_private(page));
set_page_private(page, 0);
put_page(page);
attach_page_private(newpage, detach_page_private(page));
get_page(newpage);
bh = head;
@@ -810,8 +807,6 @@ recheck_buffers:
} while (bh != head);
SetPagePrivate(newpage);
if (mode != MIGRATE_SYNC_NO_COPY)
migrate_page_copy(newpage, page);
else