On Fri, Jan 29, 2016 at 12:54:07PM -0500, Johannes Weiner wrote: > Cache thrash detection (see a528910e12ec "mm: thrash detection-based > file cache sizing" for details) currently only works on the system > level, not inside cgroups. Worse, as the refaults are compared to the > global number of active cache, cgroups might wrongfully get all their > refaults activated when their pages are hotter than those of others. > > Move the refault machinery from the zone to the lruvec, and then tag > eviction entries with the memcg ID. This makes the thrash detection > work correctly inside cgroups. > > Signed-off-by: Johannes Weiner <han...@cmpxchg.org>
Reviewed-by: Vladimir Davydov <vdavy...@virtuozzo.com>