Re: [PATCH v3 1/2] bpf: render CGROUP_LSM_NUM configurable as a KConfig

Alexei Starovoitov <[email protected]> Fri, 8 May 2026 15:16:19 -0700
Newsgroups dev.linux.lists.sashiko,org.kernel.vger.bpf
Message-ID <CAADnVQJyT3fLLv8hnBQHhpc7AQhsAyLiiECm6APqyrt10kzCsA@mail.gmail.com>
On Thu, May 7, 2026 at 9:40 AM Paul Houssel <[email protected]> wrote:
>
> I would therefore propose to set the maximum value to 50 or 100 (where
> cgroup_bpf is 2024 bytes long), what do you think Paul C?

Sorry we cannot grow it with documentation only.
The whole thing needs to be refactored.
effective[MAX_CGROUP_BPF_ATTACH_TYPE]
is problematic as it is. Plenty of memory waste already.
It needs to be replaced with scalable approach.
Yes, it will be a big change to __cgroup_bpf_attach()