From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 9BF4C828E1 for ; Fri, 5 Aug 2016 11:36:16 -0400 (EDT) Received: by mail-wm0-f71.google.com with SMTP id 1so20092882wmz.2 for ; Fri, 05 Aug 2016 08:36:16 -0700 (PDT) Received: from smtp-out6.electric.net (smtp-out6.electric.net. [192.162.217.187]) by mx.google.com with ESMTPS id g14si8019131ljg.42.2016.08.05.08.36.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 05 Aug 2016 08:36:14 -0700 (PDT) From: David Laight Subject: RE: order-0 vs order-N driver allocation. Was: [PATCH v10 07/12] net/mlx4_en: add page recycle to prepare rx ring for tx support Date: Fri, 5 Aug 2016 15:33:27 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D5F50B52E@AcuExch.aculab.com> References: <1468955817-10604-1-git-send-email-bblanco@plumgrid.com> <1468955817-10604-8-git-send-email-bblanco@plumgrid.com> <1469432120.8514.5.camel@edumazet-glaptop3.roam.corp.google.com> <20160803174107.GA38399@ast-mbp.thefacebook.com> <20160804181913.26ee17b9@redhat.com> <20160805035534.GA56390@ast-mbp.thefacebook.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: 'Alexander Duyck' , Alexei Starovoitov Cc: Jesper Dangaard Brouer , Eric Dumazet , Brenden Blanco , David Miller , Netdev , Jamal Hadi Salim , Saeed Mahameed , Martin KaFai Lau , Ari Saha , Or Gerlitz , john fastabend , Hannes Frederic Sowa , Thomas Graf , Tom Herbert , Daniel Borkmann , Tariq Toukan , Mel Gorman , linux-mm RnJvbTogQWxleGFuZGVyIER1eWNrDQo+IFNlbnQ6IDA1IEF1Z3VzdCAyMDE2IDE2OjE1DQouLi4N Cj4gPg0KPiA+IGludGVyZXN0aW5nIGlkZWEuIExpa2UgZG1hX21hcCAxR0IgcmVnaW9uIGFuZCB0 aGVuIGFsbG9jYXRlDQo+ID4gcGFnZXMgZnJvbSBpdCBvbmx5PyBidXQgdGhlIHJlc3Qgb2YgdGhl IGtlcm5lbCB3b24ndCBiZSBhYmxlDQo+ID4gdG8gdXNlIHRoZW0/IHNvIG9ubHkgc29tZSBzbWFs bGVyIHJlZ2lvbiB0aGVuPyBvciBpdCB3aWxsIGJlDQo+ID4gYSBib290IHRpbWUgZmxhZyB0byBy ZXNlcnZlIHRoaXMgcHNldWRvLWh1Z2UgcGFnZT8NCj4gDQo+IFllYWgsIHNvbWV0aGluZyBsaWtl IHRoYXQuICBJZiB3ZSB3ZXJlIGFscmVhZHkgdGFsa2luZyBhYm91dA0KPiBhbGxvY2F0aW5nIGEg cG9vbCBvZiBwYWdlcyBpdCBtaWdodCBtYWtlIHNlbnNlIHRvIGp1c3Qgc2V0dXAgc29tZXRoaW5n DQo+IGxpa2UgdGhpcyB3aGVyZSB5b3UgY291bGQgcmVzZXJ2ZSBhIDFHQiByZWdpb24gZm9yIGEg c2luZ2xlIDEwRyBkZXZpY2UNCj4gZm9yIGluc3RhbmNlLiAgVGhlbiBpdCB3b3VsZCBtYWtlIHRo ZSB3aG9sZSB0aGluZyBtdWNoIGVhc2llciB0byBkZWFsDQo+IHdpdGggc2luY2UgeW91IHdvdWxk IGhhdmUgYSBibG9jayBvZiBtZW1vcnkgdGhhdCBzaG91bGQgcGVyZm9ybSB2ZXJ5DQo+IHdlbGwg aW4gdGVybXMgb2YgRE1BIGFjY2Vzc2VzLg0KDQpJU1RNIHRoYXQgdGhlIG1haW4ga2VybmVsIGFs bG9jYXRvciBvdWdodCB0byBiZSBrZWVwaW5nIGEgY2FjaGUNCm9mIHBhZ2VzIHRoYXQgYXJlIG1h cHBlZCBpbnRvIHRoZSB2YXJpb3VzIElPTU1VLg0KVGhpcyBtaWdodCBiZSBhIHBlci1kcml2ZXIg Y2FjaGUsIGJ1dCBjb3VsZCBiZSBtdWNoIHdpZGVyLg0KDQpUaGVuIGlmIHNvbWUgY29kZSB3YW50 cyBzdWNoIGEgcGFnZSBpdCBjYW4gYmUgYWxsb2NhdGVkIG9uZSB0aGF0IGlzDQphbHJlYWR5IG1h cHBlZC4NClVuZGVyIG1lbW9yeSBwcmVzc3VyZSB0aGUgcGFnZXMgY291bGQgdGhlbiBiZSByZXVz ZWQgZm9yIG90aGVyIHB1cnBvc2VzLg0KDQouLi4NCj4gSW4gdGhlIEludGVsIGRyaXZlcnMgZm9y IGluc3RhbmNlIGlmIHRoZSBmcmFtZQ0KPiBzaXplIGlzIGxlc3MgdGhhbiAyNTYgYnl0ZXMgd2Ug anVzdCBjb3B5IHRoZSB3aG9sZSB0aGluZyBvdXQgc2luY2UgaXQNCj4gaXMgY2hlYXBlciB0byBq dXN0IGV4dGVuZCB0aGUgaGVhZGVyIGNvcHkgcmF0aGVyIHRoYW4gdGFraW5nIHRoZSBleHRyYQ0K PiBoaXQgZm9yIGdldF9wYWdlL3B1dF9wYWdlLg0KDQpIb3cgZmFzdCBpcyAncmVwIG1vdnNiJyAo b24gY2FjaGVkIGFkZHJlc3Nlcykgb24gcmVjZW50IHg4NiBjcHU/DQpJdCBtaWdodCBhY3R1YWxs eSBiZSB3b3J0aCB1bmNvbmRpdGlvbmFsbHkgY29weWluZyB0aGUgZW50aXJlIGZyYW1lDQpvbiB0 aG9zZSBjcHVzLg0KDQpBIGxvbmcgdGltZSBhZ28gd2UgZm91bmQgdGhlIGJyZWFrZXZlbiBwb2lu dCBmb3IgdGhlIGNvcHkgdG8gYmUgYWJvdXQNCjFrYiBvbiBzcGFyYyBtYnVzL3NidXMgc3lzdGVt cyAtIGFuZCB0aGF0IG1pZ2h0IG5vdCBoYXZlIGJlZW4gYWxpZ25pbmcNCnRoZSBjb3B5Lg0KDQoJ RGF2aWQNCg0K -- 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