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

From: Chris Down
Date: Fri Mar 22 2019 - 18:51:10 EST


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. :-)