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Re: [Xen-devel] [PATCH 2/9] xen: sched: improve scope and placement of credit2 boot parameters
On 09/29/2015 06:55 PM, Dario Faggioli wrote:
From: Uma Sharma <uma.sharma523@xxxxxxxxx>
Signed-off-by: Uma Sharma <uma.sharma523@xxxxxxxxx>
Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
---
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
---
xen/common/sched_credit2.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c
index 46645f8..a28edd8 100644
--- a/xen/common/sched_credit2.c
+++ b/xen/common/sched_credit2.c
@@ -162,7 +162,7 @@
#define CSFLAG_runq_migrate_request (1<<__CSFLAG_runq_migrate_request)
-int opt_migrate_resist=500;
+static int __read_mostly opt_migrate_resist = 500;
integer_param("sched_credit2_migrate_resist", opt_migrate_resist);
/*
@@ -185,12 +185,12 @@ integer_param("sched_credit2_migrate_resist",
opt_migrate_resist);
* to a load of 1.
*/
#define LOADAVG_GRANULARITY_SHIFT (10)
-int opt_load_window_shift=18;
+static int __read_mostly opt_load_window_shift = 18;
#define LOADAVG_WINDOW_SHIFT_MIN 4
integer_param("credit2_load_window_shift", opt_load_window_shift);
-int opt_underload_balance_tolerance=0;
+static int __read_mostly opt_underload_balance_tolerance = 0;
integer_param("credit2_balance_under", opt_underload_balance_tolerance);
-int opt_overload_balance_tolerance=-3;
+static int __read_mostly opt_overload_balance_tolerance = -3;
integer_param("credit2_balance_over", opt_overload_balance_tolerance);
/*
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