On Wed, Jan 14, 2015 at 06:51:56PM +0200, Kirill A. Shutemov wrote: > Dave noticed that unprivileged process can allocate significant amount > of memory -- >500 MiB on x86_64 -- and stay unnoticed by oom-killer and > memory cgroup. The trick is to allocate a lot of PMD page tables. Linux > kernel doesn't account PMD tables to the process, only PTE. > > The use-cases below use few tricks to allocate a lot of PMD page tables > while keeping VmRSS and VmPTE low. oom_score for the process will be 0. Reviewed-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> -- 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>