Paul Turner, on Mon 19 Dec 2016 15:26:19 -0800, wrote: > >> > - if (shares < MIN_SHARES) > >> > - shares = MIN_SHARES; > > ... > >> > return shares; > > > > This will only make sure that the returned shares is 2, not 2048. > > This is intentional. The MIN_SHARES you are seeing here is overloaded. > Every "1" unit of share is "SCHED_LOAD_RESOLUTION" bits internally.
I'm not talking about the SCHED_LOAD_RESOLUTION scaling, but about the SCHED_FIXEDPOINT_SHIFT scaling, which is what 2159197d6677 ("sched/core: Enable increased load resolution on 64-bit kernels") modified on 64bit platforms. Samuel