Re: [PATCH v4 0/7] mm: reparent slab memory on cgroup removal

2019-06-05 Thread Roman Gushchin
On Wed, Jun 05, 2019 at 12:39:24AM -0700, Greg Thelen wrote: > Roman Gushchin wrote: > > > # Why do we need this? > > > > We've noticed that the number of dying cgroups is steadily growing on most > > of our hosts in production. The following investigation revealed an issue > > in userspace

Re: [PATCH v4 0/7] mm: reparent slab memory on cgroup removal

2019-06-05 Thread Greg Thelen
Roman Gushchin wrote: > # Why do we need this? > > We've noticed that the number of dying cgroups is steadily growing on most > of our hosts in production. The following investigation revealed an issue > in userspace memory reclaim code [1], accounting of kernel stacks [2], > and also the