Re: [PATCH] sched_ext: idle: Skip cross-node search with !CONFIG_NUMA

From: Tejun Heo
Date: Tue Jun 03 2025 - 14:30:09 EST


On Tue, Jun 03, 2025 at 10:22:01AM +0200, Andrea Righi wrote:
> In the idle CPU selection logic, attempting cross-node searches adds
> unnecessary complexity when CONFIG_NUMA is disabled.
>
> Since there's no meaningful concept of nodes in this case, simplify the
> logic by restricting the idle CPU search to the current node only.
>
> Fixes: 48849271e6611 ("sched_ext: idle: Per-node idle cpumasks")
> Signed-off-by: Andrea Righi <arighi@xxxxxxxxxx>

Applied to sched_ext/for-6.16-fixes.

Thanks.

--
tejun