From 99c8da0f4f4f1d14a8cd42b29dfa5625a1491662 Mon Sep 17 00:00:00 2001 From: Hank Janssen Date: Tue, 12 Oct 2010 10:45:23 -0700 Subject: [PATCH] staging: hv: Doubled ringbuffer size for Hyper-v network driver Double the default network ringsize buffer for Hyper-V network driver. In very heavily loaded systems the there is a chance you run out of ringbuffer space and error out. Signed-off-by: Haiyang Zhang Signed-off-by: Hank Janssen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/netvsc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index 56e11575c977..45e082a8f6b3 100644 --- a/drivers/staging/hv/netvsc_drv.c +++ b/drivers/staging/hv/netvsc_drv.c @@ -59,7 +59,7 @@ struct netvsc_driver_context { /* Need this many pages to handle worst case fragmented packet */ #define PACKET_PAGES_HIWATER (MAX_SKB_FRAGS + 2) -static int ring_size = roundup_pow_of_two(2*MAX_SKB_FRAGS+1); +static int ring_size = 128; module_param(ring_size, int, S_IRUGO); MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)"); -- 2.20.1