> On Oct 22, 2020, at 8:18 AM, Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > As huge page usage in the page cache and for shmem files proliferates > in our production environment, the performance monitoring team has > asked for per-cgroup stats on those pages. > > We already track and export anon_thp per cgroup. We already track file > THP and shmem THP per node, so making them per-cgroup is only a matter > of switching from node to lruvec counters. All callsites are in places > where the pages are charged and locked, so page->memcg is stable. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx> Thanks!
