[PATCH 4/5] Drivers: hv: balloon: Initialize last_post_time on startup

From	kys@exchange.microsoft.com
Newsgroups	linux.kernel
Subject	[PATCH 4/5] Drivers: hv: balloon: Initialize last_post_time on startup
Date	2017-08-06 22:20 +0200
Message-ID	<ubAbL-6NP-1@gated-at.bofh.it> (permalink)
References	<ubAbL-6NP-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Alex Ng <alexng@messages.microsoft.com>

When left uninitialized, this sometimes fails the following check in
post_status():

	if (!time_after(now, (last_post_time + HZ))) {
		return;
        }

This causes unnecessary delays in reporting memory pressure to host after
booting up.

Signed-off-by: Alex Ng <alexng@messages.microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
 drivers/hv/hv_balloon.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 7cec482..db0e665 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1655,6 +1655,7 @@ static int balloon_probe(struct hv_device *dev,
 	}
 
 	dm_device.state = DM_INITIALIZED;
+	last_post_time = jiffies;
 
 	return 0;
 
-- 
1.7.1

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[PATCH 4/5] Drivers: hv: balloon: Initialize last_post_time on startup kys@exchange.microsoft.com - 2017-08-06 22:20 +0200

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