On Thu, 7 May 2020 18:58:10 -0700 Eric Dumazet wrote: > percpu_counter_add() uses a default batch size which is quite big > on platforms with 256 cpus. (2*256 -> 512) > > This means dst_entries_get_fast() can be off by +/- 2*(nr_cpus^2) > (131072 on servers with 256 cpus) > > Reduce the batch size to something more reasonable, and > add logic to ip6_dst_gc() to call dst_entries_get_slow() > before calling the _very_ expensive fib6_run_gc() function. > > Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied, thank you!