Re: [PATCH v2 bpf-next] selftests/bpf: Retry stat generation in cgroup_iter_memcg

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <[email protected]>:

On Fri, 14 Aug 2026 16:20:17 -0700 you wrote:
> Each cgroup_iter_memcg subtest touches 1024 pages and expects the matching
> memcg counter to be non-zero. On a host with many CPUs it reads zero
> instead:
> 
>   test_anon:FAIL:final anon mapped val: actual 0 <= expected 0
> 
> memcg stats are cached per-cpu and only become visible once the periodic
> flusher runs (FLUSH_TIME, 2s), or once pending updates cross
> MEMCG_CHARGE_BATCH * num_online_cpus(). That threshold is 512 pages at 8
> CPUs but 8192 at 128, so a single pass no longer reaches it and
> bpf_mem_cgroup_flush_stats() returns without flushing anything.
> 
> [...]

Here is the summary with links:
  - [v2,bpf-next] selftests/bpf: Retry stat generation in cgroup_iter_memcg
    https://git.kernel.org/bpf/bpf-next/c/3d9393ff98ca

You are awesome, thank you!
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