Commit 2c3bd2a5 authored Oct 08, 2020 by Olaf Hering Committed by Wei Liu Oct 19, 2020

hv_balloon: disable warning when floor reached



It is not an error if the host requests to balloon down, but the VM
refuses to do so. Without this change a warning is logged in dmesg
every five minutes.

Fixes:  b3bb97b8 ("Drivers: hv: balloon: Add logging for dynamic memory operations")

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20201008071216.16554-1-olaf@aepfle.de


Signed-off-by: Wei Liu <wei.liu@kernel.org>

parent bbf5c979

drivers/hv/hv_balloon.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1275,7 +1275,7 @@ static void balloon_up(struct work_struct *dummy)

		/* Refuse to balloon below the floor. */
		if (avail_pages < num_pages \|\| avail_pages - num_pages < floor) {
		pr_warn("Balloon request will be partially fulfilled. %s\n",
		pr_info("Balloon request will be partially fulfilled. %s\n",
		avail_pages < num_pages ? "Not enough memory." :
		"Balloon floor reached.");

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