On Fri 17-01-25 18:25:13, zhiguojiang wrote: [...] > > Could you describe problem that you are trying to solve? > > In a dual zone system with both movable and normal zones, we encountered > the problem where the GFP_KERNEL flag failed to allocate memory from the > normal zone and crashed. Analyzing the logs, we found that there was > very little free memory in the normal zone, but more free memory in the > movable zone at this time. Therefore, we want to reclaim accurately > the normal zone's memory occupied by memcg through > try_to_free_mem_cgroup_pages(). Could you be more specific please? What was the allocation request. Has the allocation or charge failed? Do you have allocation failure memory info or oom killer report? -- Michal Hocko SUSE Labs
