[RFC 06/10] Reclaim memory from blocked kernel stacks

[Peter Zijlstra]

On Thu, Aug 27, 2026 at 04:29:44PM -0700, David Stevens wrote:
> This feature does work on PREEMPT_RT, but is likely undesirable due to
> the extra uncertainty. The fact that alloc_pages_nolock_noprof() cannot
> be called from under the scheduler lock also makes repopulating stacks
> more expensive.

Aaah, so you knew it was hot garbage :-(

Please don't ever post anything like this again.