On Wed, Oct 03, 2018 at 10:50:12AM +0000, Daniel McGinnes wrote: > Hi Roman, > > I ran the test for ~24 hours. > > In this time MemAvailable dropped from 31111424 bytes to 29223928 bytes > (So a drop of ~1.8GB) > > At this time Percpu is occupying 1600512 Kb (~1.5GB) > > Here are the percpu stats at the current time (I also collected them > throughout most of the test so can send that too if required) Hi Daniel! Did you apply the memory pressure during the test or afterwards? How big is the machine (number of CPUs? RAM?)? MemAvailable was never too accurate, and it's not a big problem by itself. All per-cpu memory is treated as unreclaimable, even if it can be perfectly reused. We can, probably, enhance the accuracy by using the new "other reclaimable" vm counter, but it will never be 100% accurate. Thanks!
