On Thu, 2019-03-28 at 14:59 +0000, Catalin Marinas wrote: 2 > +/* minimum memory pool sizes */ > +#define MIN_OBJECT_POOL (NR_CPUS * 4) > +#define MIN_SCAN_AREA_POOL (NR_CPUS * 1) I am thinking about making those are tunable, so people could have a big pool depends on their workloads. Also, I would like to see a way to refill this emergency pool. For example, once OOM kiler freed up more memory. Maybe at the time of kmemleak_scan kthread kicked in and then monitor and refill the pool whenever possible.