[E1000-devel] rx_no_buffer_count query

[Lal <lea...@gm...>]

I am using 7.3.20-k2-NAPI version of e1000 driver on Linux 2.6.21

On a moderate traffic rx_no_buffer_count remains constant, but on
heavy traffic rx_no_buffer_count keeps increasing.

     rx_no_buffer_count: 4094038
     rx_no_buffer_count: 4094038
     rx_no_buffer_count: 4094038
     rx_no_buffer_count: 4105305
     rx_no_buffer_count: 4195585
     rx_no_buffer_count: 4285861
     rx_no_buffer_count: 4376386

while rx_no_buffer_count increases, ksoftirqd goes in saturation at
one of the cores.

What parameter can be increased so that rx_no_buffer_count does not
increase? Does it have any relation to ksoftirqd saturation?