On Fri, Feb 23, 2018 at 08:12:42AM -0800, Eric Dumazet wrote:
> From: Eric Dumazet <eduma...@google.com>
> When a large BPF percpu map is destroyed, I have seen
> pcpu_balance_workfn() holding cpu for hundreds of milliseconds.
> On KASAN config and 112 hyperthreads, average time to destroy a chunk
> is ~4 ms.
> [ 2489.841376] destroy chunk 1 in 4148689 ns
> [ 2490.093428] destroy chunk 32 in 4072718 ns
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied to percpu/for-4.16-fixes.