On Wed, Jul 29, 2015 at 7:45 AM, Vladimir Davydov wrote: > Page table scan approach has the inherent problem - it ignores unmapped > page cache. If a workload does a lot of read/write or map-access-unmap > operations, we won't be able to even roughly estimate its wss. You can catch that in mark_page_accessed on those paths, though. -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies.