RE: [PATCH v1] hv_balloon: disable warning when floor reached

From: Michael Kelley
Date: Sun Oct 18 2020 - 23:02:28 EST


From: Olaf Hering <olaf@xxxxxxxxx> Sent: Thursday, October 8, 2020 12:12 AM
>
> It is not an error if a the host requests to balloon down, but the VM

Spurious word "a"

> refuses to do so. Without this change a warning is logged in dmesg
> every five minutes.
>
> Fixes commit b3bb97b8a49f3

This "Fixes" line isn't formatted correctly. Should be:

Fixes: b3bb97b8a49f3 ("Drivers: hv: balloon: Add logging for dynamic memory operations")

>
> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
> ---
> drivers/hv/hv_balloon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
> index 32e3bc0aa665..0f50295d0214 100644
> --- a/drivers/hv/hv_balloon.c
> +++ b/drivers/hv/hv_balloon.c
> @@ -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.");
>

Above nits notwithstanding,

Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>