Re: [PATCH REBASED] mm, memcg: Make scan aggression always exclude protection

[Chris Down <chris@xxxxxxxxxxxxxx>]

Roman Gushchin writes:
> However, we can race with the emin/elow update and end up with negative scan,
> especially if cgroup_size is about the effective protection size

Yeah, it's possible but unlikely, hence the TOCTOU check. :-)