Subject: Re: [PATCH] net: neterion: vxge: reduce stack usage in VXGE_COMPLETE_VPATH_TX

From: Stephen Hemminger <[email-masked]>
Date: Sun, 19 Jul 2020 10:05:22 -0700

On Thu, 16 Jul 2020 17:32:47 +0000
Bixuan Cui <[email-masked]> wrote:

> Fix the warning: [-Werror=-Wframe-larger-than=]
> 
> drivers/net/ethernet/neterion/vxge/vxge-main.c:
> In function'VXGE_COMPLETE_VPATH_TX.isra.37':
> drivers/net/ethernet/neterion/vxge/vxge-main.c:119:1:
> warning: the frame size of 1056 bytes is larger than 1024 bytes
> 
> Signed-off-by: Bixuan Cui <[email-masked]>

Dropping the NR_SKB_COMPLETED to 16 won't have much impact
on performance, and shrink the size.

Doing 16 skb's at a time instead of 128 probably costs
less than one allocation. Especially since it is unlikely
that the device completed that many transmits at once.