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staging: hv: Doubled ringbuffer size for Hyper-v network driver

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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 <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Hank Janssen 2010-10-12 10:45:23 -07:00 committed by Greg Kroah-Hartman
parent 13da8f0d46
commit 99c8da0f4f
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/hv/netvsc_drv.c
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@ -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)");