preempt_rt: Move sched/core: nr_migrate = 128 increases number of tasks to iterate in a single balance run. patch out of glitched base, and only apply on non-preempt-rt.

Fixes a conflict on 5.4.y, 5.10.y and 5.15.y

linux-tkg-patches/5.4/0003-glitched-base-nonrt.patch

@@ -0,0 +1,38 @@
+From 28f32f59d9d55ac7ec3a20b79bdd02d2a0a5f7e1 Mon Sep 17 00:00:00 2001
+From: Alexandre Frade <admfrade@gmail.com>
+Date: Mon, 29 Jan 2018 18:29:13 +0000
+Subject: [PATCH 03/17] sched/core: nr_migrate = 128 increases number of tasks
+ to iterate in a single balance run.
+
+Signed-off-by: Alexandre Frade <admfrade@gmail.com>
+---
+ kernel/sched/core.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index f788cd61df21..2bfbb4213707 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -59,7 +59,7 @@ const_debug unsigned int sysctl_sched_features =
+  * Number of tasks to iterate in a single balance run.
+  * Limited because this is done with IRQs disabled.
+  */
+-const_debug unsigned int sysctl_sched_nr_migrate = 32;
++const_debug unsigned int sysctl_sched_nr_migrate = 128;
+
+ /*
+  * period over which we measure -rt task CPU usage in us.
+@@ -71,9 +71,9 @@ __read_mostly int scheduler_running;
+
+ /*
+  * part of the period that we allow rt tasks to run in us.
+- * default: 0.95s
++ * XanMod default: 0.98s
+  */
+-int sysctl_sched_rt_runtime = 950000;
++int sysctl_sched_rt_runtime = 980000;
+
+ /*
+  * __task_rq_lock - lock the rq @p resides on.
+--
+2.28.0