Hi,
Thanks for your patch.
FYI: kernel test robot notices the stable kernel rule is not satisfied.
Rule: 'Cc: stable@vger.kernel.org' or 'commit <sha1> upstream.' Subject: [PATCH STABLE 5.10] mm/memory: add non-anonymous page check in the copy_present_page() Link: https://lore.kernel.org/stable/20221024094911.3054769-1-songyuanzheng%40huaw...
The check is based on https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html