1 files changed, 32 insertions, 0 deletions

diff --git a/patches/boot_time_opt_guest/0112-ksm-wakeups.patch b/patches/boot_time_opt_guest/0112-ksm-wakeups.patch
new file mode 100644
index 0000000..b131e3f
--- /dev/null
+++ b/patches/boot_time_opt_guest/0112-ksm-wakeups.patch
@@ -0,0 +1,32 @@
+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
+