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| author | Guoqing Jiang <guoqing.jiang@cloud.ionos.com> | 2020-06-01 21:48:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-02 10:59:08 -0700 |
| commit | cd0f37154443844256709f736754b1bace5b24d8 (patch) | |
| tree | 7c83dea7b4c3cee97d0bb35dffba823b719e6e36 | |
| parent | 7b59435a2afed12dc9b2ec1b930efa2e94f1c397 (diff) | |
| download | linux-stable-cd0f37154443844256709f736754b1bace5b24d8.tar.gz | |
mm/migrate.c: call detach_page_private to cleanup code
We can cleanup code a little by call detach_page_private here.
[akpm@linux-foundation.org: use attach_page_private(), per Dave]
http://lkml.kernel.org/r/20200521225220.GV2005@dread.disaster.area
[akpm@linux-foundation.org: clear PagePrivate]
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Link: http://lkml.kernel.org/r/20200519214049.15179-1-guoqing.jiang@cloud.ionos.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/migrate.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index f66f93f9a5e274..fb425d86c11514 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -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 |