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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Nov 19, 2020 at 09:29:22AM +0000, Quentin Perret wrote: > On Friday 13 Nov 2020 at 09:37:14 (+0000), Will Deacon wrote: > > If the scheduler cannot find an allowed CPU for a task, > > cpuset_cpus_allowed_fallback() will widen the affinity to cpu_possible_mask > > if cgroup v1 is in use. > > > > In preparation for allowing architectures to provide their own fallback > > mask, just return early if we're not using cgroup v2 and allow > > select_fallback_rq() to figure out the mask by itself. > > > > Cc: Li Zefan > > Cc: Tejun Heo > > Cc: Johannes Weiner > > Signed-off-by: Will Deacon > > That makes select_fallback_rq() slightly more expensive if you're using > cgroup v1, but I don't expect that be really measurable in real-world > workloads, so: > > Reviewed-by: Quentin Perret Cheers! Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel