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 v2 1/2] mm/MADV_COLLAPSE: don't expand collapse when vm_end is past requested end Link: https://lore.kernel.org/stable/20221224081203.3193960-1-zokeefe%40google.com
The check is based on https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html