The enum is a public API which can be used all over the kernel. This
warrants a bit of documentation.

Signed-off-by: Daniel Wagner <[email protected]>
---
 include/linux/sched/isolation.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h
index 
2b461129d1fad0fd0ef1ad759fe44695dc635e8c..6649c3a48e0ea0a88c84bf5f2a74bff039fadaf2
 100644
--- a/include/linux/sched/isolation.h
+++ b/include/linux/sched/isolation.h
@@ -6,6 +6,19 @@
 #include <linux/init.h>
 #include <linux/tick.h>
 
+/**
+ * enum hk_type - housekeeping cpu mask types
+ * @HK_TYPE_TIMER:     housekeeping cpu mask for timers
+ * @HK_TYPE_RCU:       housekeeping cpu mask for RCU
+ * @HK_TYPE_MISC:      housekeeping cpu mask for miscalleanous resources
+ * @HK_TYPE_SCHED:     housekeeping cpu mask for scheduling
+ * @HK_TYPE_TICK:      housekeeping cpu maks for timer tick
+ * @HK_TYPE_DOMAIN:    housekeeping cpu mask for general SMP balancing
+ *                     and scheduling algoririthms
+ * @HK_TYPE_WQ:                housekeeping cpu mask for worksqueues
+ * @HK_TYPE_MANAGED_IRQ: housekeeping cpu mask for managed IRQs
+ * @HK_TYPE_KTHREAD:   housekeeping cpu mask for kthreads
+ */
 enum hk_type {
        HK_TYPE_TIMER,
        HK_TYPE_RCU,

-- 
2.47.1


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