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authorK. Y. Srinivasan <kys@microsoft.com>2014-02-13 16:24:33 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-15 12:08:38 -0800
commit5dba4c56dfa660a85dc8e897990948cdec3734bf (patch)
tree550921e5e327327eed124949ac577ffd6b8f58a2 /drivers/hv
parent0b336cea56ccd9949dc9bd6f24bd3bb9d212ffad (diff)
downloadblackbird-op-linux-5dba4c56dfa660a85dc8e897990948cdec3734bf.tar.gz
blackbird-op-linux-5dba4c56dfa660a85dc8e897990948cdec3734bf.zip
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>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/hv_balloon.c3
1 files changed, 2 insertions, 1 deletions
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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