On Thu, 3 May 2018, prakash.sangappa wrote: > > > exact numa node from where the pages have been allocated. > > Cant you write a small script that scans the information in numa_maps and > > then displays the total pages per NUMA node and then a list of which > > ranges have how many pages on a particular node? > > Don't think we can determine which numa node a given user process > address range has pages from, based on the existing 'numa_maps' file. Well the information is contained in numa_maps I thought. What is missing? > > > reading this file will not be restricted(i.e requiring CAP_SYS_ADMIN). > > So a prime motivator here is security restricted access to numa_maps? > No it is the opposite. A regular user should be able to determine > numa node information. That used to be the case until changes were made to the permissions for reading numa_maps.
