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* [PATCH 1/1] Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly
@ 2014-02-14  0:24 K. Y. Srinivasan
  0 siblings, 0 replies; only message in thread
From: K. Y. Srinivasan @ 2014-02-14  0:24 UTC (permalink / raw)
  To: gregkh, linux-kernel, devel, olaf, apw, jasowang; +Cc: K. Y. Srinivasan

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>
---
 drivers/hv/hv_balloon.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 7e17a54..7e6d78d 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.
-- 
1.7.4.1


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