linux-next: build warning after merge of the mm tree

[Stephen Rothwell]

Hi all,

After merging the mm tree, today's linux-next build (htmldocs) produced
this warning:

Documentation/admin-guide/blockdev/zram.rst:304: WARNING: Title underline too short.

10) Deactivate
=============

Introduced by commit

  410119cc7a63 ("Documentation: document zram pool_page_order attribute")

-- 
Cheers,
Stephen Rothwell

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