On Fri, Apr 13, 2018 at 04:28:55PM -0400, Josef Bacik wrote:
> From: Josef Bacik <jba...@fb.com>
> Since we're allocating under atomic we could every easily enomem, so if
> that's the case and we can block then loop around and try to allocate
> the prealloc not under a lock.
> We also saw this happen during try_to_release_page in production, in
> which case it's completely valid to return ENOMEM so we can tell
> try_to_release_page that we can't release this page.
> Signed-off-by: Josef Bacik <jba...@fb.com>

Exactly same patch as


so the same comment applies.
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