LGTM. It's very late in the cycle so I'll queue all three for 4.6-rc1 and I tagged the first two patches (not this one) for -stable backporting.
- [PATCH] mm: memcontrol: clarify the uncharge_list() loop Johannes Weiner
- Re: [PATCH] mm: memcontrol: clarify the uncharge_list... Andrew Morton
- Re: [PATCH] mm: memcontrol: clarify the uncharge_... Johannes Weiner
- Re: [PATCH] mm: memcontrol: clarify the uncharge_list... Michal Hocko

