From: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Date: Mon, 24 Jul 2017 21:03:19 -0700
> The logic for computing page buffer scatter does not take into
> account the impact of compound pages. Therefore the optimization
> to compute number of slots was incorrect and could cause stack
> corruption a skb was sent with lots of fragments from huge pages.
>
> This reverts commit 60b86665af0dfbeebda8aae43f0ba451cd2dcfe5.
>
> Fixes: 60b86665af0d ("netvsc: optimize calculation of number of slots")
> Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Applied.
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