From: K. Y. Srinivasan <kys@microsoft.com>
Date: Fri, 14 Feb 2014 00:24:33 +0000 (-0800)
Subject: Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly
X-Git-Tag: v3.15-rc1~141^2~65
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=5dba4c56dfa660a85dc8e897990948cdec3734bf;p=linux.git

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>
---

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.