On 2018-11-29 21:54, Michal Hocko wrote: > From a quick look it should be 15*number_of_cpus unless I have missed > other caching. So this shouldn't be all that much unless you have a > giant machine with hundreds of cpus. For clarfication, is that 15*number_of_cpus many pages, or "factor" 15*number_of_cpu off what LazyFree reports?