On Thu 16-01-25 22:22:42, Zhiguo Jiang wrote: > Currently, the try_to_free_mem_cgroup_pages interface releases the > memory occupied by the memcg, which defaults to all zones in the system. > However, for multi zone systems, such as when there are both movable zone > and normal zone, it is not possible to release memory that is only in > the normal zone. > > This patch is used to implement the try_to_free_mem_cgroup_pages interface > to support for releasing the specified zone's memory occupied by the > memcg in a multi zone systems, in order to optimize the memory usage of > multiple zones. Could you elaborate more on the actual usecase please? Who is going to control which zone to reclaim from, how and why? -- Michal Hocko SUSE Labs
