OK, I could have noticed that earlier... On Tue 24-05-16 19:40:21, yoma sophian wrote: [...] > Normal free:56088kB min:2000kB low:2500kB high:3000kB > active_anon:148332kB inactive_anon:6040kB active_file:1356kB > inactive_file:5240kB unevictable:0kB isolated(anon):0kB > isolated(file):0kB present:329728kB managed:250408kB mlocked:0kB > dirty:120kB writeback:0kB mapped:8108kB shmem:6136kB > slab_reclaimable:5520kB slab_unreclaimable:26128kB kernel_stack:2720kB > pagetables:4424kB unstable:0kB bounce:0kB free_cma:55452kB free-free_cma = 636kB so you are way below the watermark and that is why your atomic allocation fails (see __zone_watermark_ok). I am not an expect on CMA but I guess your CMA pool is too large for your load. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>