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    Subject[PATCH 4.19 009/101] hv_balloon: disable warning when floor reached
    Date
    From: Olaf Hering <olaf@aepfle.de>

    [ Upstream commit 2c3bd2a5c86fe744e8377733c5e511a5ca1e14f5 ]

    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: b3bb97b8a49f3 ("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>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 9ca0706a9d402..e5fc719a34e70 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.");

    --
    2.27.0


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