Subject: Re: [PATCH] Export mm_update_next_owner function for vhost-net

From: Christoph Hellwig <[email-masked]>
Date: Mon, 17 Dec 2018 03:32:54 -0800

This seems like an issue all the unuse_mm users (at least those
outside of swapfile.c) have, so it should be solved in the core.

Bonus points for moving the set_fs magic into use_mm()..