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From 2dc48e4b5c651691b7028991b64c935047b41b19 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 14 Mar 2016 11:06:46 -0600
Subject: [PATCH 112/114] ksm-wakeups
reduce wakeups in ksm
---
mm/ksm.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index 9ae6011a41f8..eecd3ff669e2 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1725,8 +1725,12 @@ static int ksm_scan_thread(void *nothing)
try_to_freeze();
if (ksmd_should_run()) {
- schedule_timeout_interruptible(
- msecs_to_jiffies(ksm_thread_sleep_millisecs));
+ if (ksm_thread_sleep_millisecs >= 1000)
+ schedule_timeout_interruptible(
+ msecs_to_jiffies(round_jiffies_relative(ksm_thread_sleep_millisecs)));
+ else
+ schedule_timeout_interruptible(
+ msecs_to_jiffies(ksm_thread_sleep_millisecs));
} else {
wait_event_freezable(ksm_thread_wait,
ksmd_should_run() || kthread_should_stop());
--
2.11.1
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