xnu-3248.40.184.tar.gz

[apple/xnu.git] / osfmk / kern / affinity.c

diff --git a/osfmk/kern/affinity.c b/osfmk/kern/affinity.c
index 3af3c4b10b04d7c1ffdee61571e4cc4b169694f2..8e6b3ee5a15943d26ac83c78ed55ff95bc1911ce 100644 (file)
--- a/osfmk/kern/affinity.c
+++ b/osfmk/kern/affinity.c
@@ -79,6 +79,10 @@ static affinity_set_t affinity_set_remove(affinity_set_t aset, thread_t thread);
  *   kern.affinity_sets_enabled        - disables hinting if cleared
  *   kern.affinity_sets_mapping        - controls cache distribution policy
  * See bsd/kern_sysctl.c
+ *
+ * Affinity sets are not used on embedded, which typically only
+ * has a single pset, and last-processor affinity is
+ * more important than pset affinity.
  */
 boolean_t      affinity_sets_enabled = TRUE;
 int            affinity_sets_mapping = 1;