[Intel-wired-lan] [PATCH net-next 5/9] ice: switch to napi_build_skb()

[G, GurucharanX]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Alexander Lobakin
> Sent: Tuesday, November 23, 2021 10:49 PM
> To: intel-wired-lan at lists.osuosl.org
> Cc: netdev at vger.kernel.org; linux-kernel at vger.kernel.org; Jakub Kicinski
> <kuba at kernel.org>; David S. Miller <davem at davemloft.net>
> Subject: [Intel-wired-lan] [PATCH net-next 5/9] ice: switch to napi_build_skb()
> 
> napi_build_skb() reuses per-cpu NAPI skbuff_head cache in order to save some
> cycles on freeing/allocating skbuff_heads on every new Rx or completed Tx.
> ice driver runs Tx completion polling cycle right before the Rx one and uses
> napi_consume_skb() to feed the cache with skbuff_heads of completed entries,
> so it's never empty and always warm at that moment. Switch to the
> napi_build_skb() to relax mm pressure on heavy Rx.
> 
> Signed-off-by: Alexander Lobakin <alexandr.lobakin at intel.com>
> Reviewed-by: Michal Swiatkowski <michal.swiatkowski at linux.intel.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Tested-by: Gurucharan G <gurucharanx.g at intel.com> (A Contingent worker at Intel)