From 5dba4c56dfa660a85dc8e897990948cdec3734bf Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: Thu, 13 Feb 2014 16:24:33 -0800
Subject: [PATCH] Drivers: hv: Ballon: Make pressure posting thread sleep
interruptibly
The non-interruptible sleep of the memory pressure posting thread
results in higher reported load average. Make this sleep interruptible.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/hv/hv_balloon.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 7e17a5495e02..7e6d78dc9437 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1171,7 +1171,8 @@ static int dm_thread_func(void *dm_dev)
int t;
while (!kthread_should_stop()) {
- t = wait_for_completion_timeout(&dm_device.config_event, 1*HZ);
+ t = wait_for_completion_interruptible_timeout(
+ &dm_device.config_event, 1*HZ);
/*
* The host expects us to post information on the memory
* pressure every second.
--
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