On Fri 08-12-17 16:38:46, kemi wrote: > > > On 2017年11月30日 17:45, Michal Hocko wrote: > > On Thu 30-11-17 17:32:08, kemi wrote: > > > Do not get me wrong. If we want to make per-node stats more optimal, > > then by all means let's do that. But having 3 sets of counters is just > > way to much. > > > > Hi, Michal > Apologize to respond later in this email thread. > > After thinking about how to optimize our per-node stats more gracefully, > we may add u64 vm_numa_stat_diff[] in struct per_cpu_nodestat, thus, > we can keep everything in per cpu counter and sum them up when read /proc > or /sys for numa stats. > What's your idea for that? thanks
I would like to see a strong argument why we cannot make it a _standard_ node counter. -- Michal Hocko SUSE Labs