From: Peter Zijlstra <peterz@infradead.org>
Date: Sat, 14 Oct 2023 21:12:20 +0000 (+0200)
Subject: sched/eevdf: Add feature comments
X-Git-Tag: v6.12-rc1~120^2~43
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f25b7b32b0db6d71b07b06fe8de45b0408541c2a;p=thirdparty%2Fkernel%2Flinux.git

sched/eevdf: Add feature comments

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Tested-by: Valentin Schneider <vschneid@redhat.com>
Link: https://lkml.kernel.org/r/20240727105028.287790895@infradead.org
---

diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 929021fd6bc43..97fb2d4920898 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -5,7 +5,14 @@
  * sleep+wake cycles. EEVDF placement strategy #1, #2 if disabled.
  */
 SCHED_FEAT(PLACE_LAG, true)
+/*
+ * Give new tasks half a slice to ease into the competition.
+ */
 SCHED_FEAT(PLACE_DEADLINE_INITIAL, true)
+/*
+ * Inhibit (wakeup) preemption until the current task has either matched the
+ * 0-lag point or until is has exhausted it's slice.
+ */
 SCHED_FEAT(RUN_TO_PARITY, true)
 
 /*