Re: [PATCH v3 4/9] cgroup/cpuset: Enable event notification when partition become invalid

On Tue, Jul 20, 2021 at 10:18:29AM -0400, Waiman Long wrote:

+static inline void notify_partition_change(struct cpuset *cs,
+					   int old_prs, int new_prs)
+{
+	if ((old_prs == new_prs) ||
+	   ((old_prs != PRS_ERROR) && (new_prs != PRS_ERROR)))
+		return;
+	cgroup_file_notify(&cs->partition_file);

I'd generate an event on any state changes. The user have to read the file
to find out what happened anyway.

Thanks.

-- 
tejun