From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f72.google.com (mail-pa0-f72.google.com [209.85.220.72]) by kanga.kvack.org (Postfix) with ESMTP id 4482A6B0278 for ; Wed, 26 Oct 2016 13:21:56 -0400 (EDT) Received: by mail-pa0-f72.google.com with SMTP id hm5so5304950pac.4 for ; Wed, 26 Oct 2016 10:21:56 -0700 (PDT) Received: from mga06.intel.com (mga06.intel.com. [134.134.136.31]) by mx.google.com with ESMTPS id f71si3812079pfk.109.2016.10.26.10.21.55 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Oct 2016 10:21:55 -0700 (PDT) Message-ID: <1477502512.2431.1.camel@intel.com> Subject: Re: [Intel-wired-lan] [net-next PATCH 26/27] igb: Update code to better handle incrementing page count From: Jeff Kirsher Date: Wed, 26 Oct 2016 10:21:52 -0700 In-Reply-To: <20161025153906.4815.61652.stgit@ahduyck-blue-test.jf.intel.com> References: <20161025153220.4815.61239.stgit@ahduyck-blue-test.jf.intel.com> <20161025153906.4815.61652.stgit@ahduyck-blue-test.jf.intel.com> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-0f++dvhAy/23Xp0vvR9u" Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Alexander Duyck , netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: davem@davemloft.net, brouer@redhat.com --=-0f++dvhAy/23Xp0vvR9u Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2016-10-25 at 11:39 -0400, Alexander Duyck wrote: > This patch updates the driver code so that we do bulk updates of the page > reference count instead of just incrementing it by one reference at a > time. > The advantage to doing this is that we cut down on atomic operations and > this in turn should give us a slight improvement in cycles per packet.=C2= =A0 > In > addition if we eventually move this over to using build_skb the gains > will > be more noticeable. >=20 > Signed-off-by: Alexander Duyck Acked-by: Jeff Kirsher --=-0f++dvhAy/23Xp0vvR9u Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCgAGBQJYEOYwAAoJEOVv75VaS+3O+90P/RzEWysXswEA6WCLQghQzin4 AyEx54yCGcDsov1babvWDe1tg/IO3SCwEL/VHT0ku3CznqYlHfQZntTZrxD+DSPt Ao0cD7AxdS925Q+qJcyzrhY0bzkVkL+V14VrpmWAIBMTUDuRliPPor37J0VPpvYC CGFfe7lOr50pGcABz9RyXdGxqXGma2hZ2a2b953cBaLlkv5ovG0aBgC0hCaZFpmj Apiatjc8prktsiP0qWwrjqKaqRcmWa9PJ2Qtt2WH1Gseg9ZGqIYkZSxT6dcF2qfs 4RK7fxxClZVOdnIYASkOkztpW8sAVztgrAflJ4QU6eH8GOBv3zBOlWfYcqPzSaHd 1otUncjOcAaA/wo/nrytXjIwJ0kKLjVlTlb8nslhFuXqFHAskUJ8hLp03lHtMkHz pRxM5A4CtXaFSmrxjOc2LQUkGpDTgki6iLt3adJNa15+Jju1yI45zTrxwMouMskY KkvCC2ueLD1z7fBLL8g00e/MjeNGH9oq8ONxQQQN6SHBVStrTt7jwskJCXHYAJ7t 99mivUy6aNu0cdPWYzzf/SNxof4pMPq+qiIWAQgjeDMEwZJlLx/97ThBvkG/8f38 gdHFG5gcdcM5b/riTJjcPCYm9ty71fbs2pVlHx/TkX7ZOH5sFyLf0IMijw8cxdon ilygxstkUcu9eASLDNUj =u6jM -----END PGP SIGNATURE----- --=-0f++dvhAy/23Xp0vvR9u-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org