Define the ring buffer size as a constant expression because it should not depend on the guest page size. Signed-off-by: Maya Nakamura <m.maya.nakamura@xxxxxxxxx> --- drivers/input/serio/hyperv-keyboard.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c index 7935e52b5435..a3480dbfadd2 100644 --- a/drivers/input/serio/hyperv-keyboard.c +++ b/drivers/input/serio/hyperv-keyboard.c @@ -83,8 +83,8 @@ struct synth_kbd_keystroke { #define HK_MAXIMUM_MESSAGE_SIZE 256 -#define KBD_VSC_SEND_RING_BUFFER_SIZE (10 * PAGE_SIZE) -#define KBD_VSC_RECV_RING_BUFFER_SIZE (10 * PAGE_SIZE) +#define KBD_VSC_SEND_RING_BUFFER_SIZE (40 * 1024) +#define KBD_VSC_RECV_RING_BUFFER_SIZE (40 * 1024) #define XTKBD_EMUL0 0xe0 #define XTKBD_EMUL1 0xe1 -- 2.17.1