[PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages

[Peter Zijlstra]

On Wed, May 20, 2026 at 01:47:32PM -1000, Tejun Heo wrote:
> Hello,
> 
> On Mon, May 18, 2026 at 04:26:11PM -0700, Alexei Starovoitov wrote:
> > Well, this gen_pool based allocator of arena memory is a temporary hack.
> > It's ok for rare allocation like in this at scx init time, but not suitable
> > for active arena management. We don't need to expose it beyond scx.
> 
> I see. Peter, as Alexei is already prototyping a slab-based arena
> allocator, how about keeping the gen_pool layer scx-local for now? Once
> the proper allocator lands, scx can switch to it and the custom piece
> goes away.

OK.