On Sun, Aug 28, 2011 at 3:17 AM, Auguste Pop <auguste@xxxxxxxxx> wrote: > will transparent_hugepage=madvise be saner so that apps that do > benefits from transparent hugepages and explicitly asked for it can > have this feature available? unfortunately, i have no idea whether cp > and mv are using these features. ;-) > > best regards, > I don't think any of our applications uses MADV_HUGEPAGE. I've also read this is just for embedded devices, where it is important to conserve memory. If disabling THP fixes this, maybe the memory compaction system is at fault, which I believe gets enabled together with THP.