From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 79FBCA052A; Fri, 10 Jul 2020 15:46:04 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 473331DDFC; Fri, 10 Jul 2020 15:46:03 +0200 (CEST) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by dpdk.org (Postfix) with ESMTP id 18C621DDED for ; Fri, 10 Jul 2020 15:46:01 +0200 (CEST) Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Date: Fri, 10 Jul 2020 15:45:59 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C6111A@smartserver.smartshare.dk> In-Reply-To: <20200710125821.GA5869@platinum> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [dpdk-dev] Weird 2 KB MBUF data room requirement Thread-Index: AdZWuc4zw7Dom6afQIOIwDUbjdsc3AABOy0Q References: <98CBD80474FA8B44BF855DF32C47DC35C61113@smartserver.smartshare.dk> <20200710102609.GA684@bricha3-MOBL.ger.corp.intel.com> <20200710125821.GA5869@platinum> From: =?UTF-8?B?TW9ydGVuIEJyw7hydXA=?= To: "Olivier Matz" , "Bruce Richardson" Cc: Subject: Re: [dpdk-dev] Weird 2 KB MBUF data room requirement X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" PiBGcm9tOiBkZXYgW21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIE9s aXZpZXIgTWF0eg0KPiBTZW50OiBGcmlkYXksIEp1bHkgMTAsIDIwMjAgMjo1OCBQTQ0KPiANCj4g SGksDQo+IA0KPiBPbiBGcmksIEp1bCAxMCwgMjAyMCBhdCAxMToyNjowOUFNICswMTAwLCBCcnVj ZSBSaWNoYXJkc29uIHdyb3RlOg0KPiA+IE9uIEZyaSwgSnVsIDEwLCAyMDIwIGF0IDEwOjIxOjQw QU0gKzAyMDAsIE1vcnRlbiBCcsO4cnVwIHdyb3RlOg0KPiA+ID4gRGVhciBFdGhlcm5ldCBQTUQg ZGV2ZWxvcGVycywNCj4gPiA+DQo+ID4gPiBBY2NvcmRpbmcgdG8gcnRlX21idWZfY29yZS5oLCBS VEVfTUJVRl9ERUZBVUxUX0RBVEFST09NIGlzIDIwNDgNCj4gYnl0ZXMgYmVjYXVzZSBzb21lIE5J Q3MgbmVlZCBhdCBsZWFzdCAyIEtCIGJ1ZmZlciB0byByZWNlaXZlIHN0YW5kYXJkDQo+IEV0aGVy bmV0IGZyYW1lcyB3aXRob3V0IHNwbGl0dGluZyB0aGVtIGludG8gbXVsdGlwbGUgc2VnbWVudHMu DQo+ID4gPg0KPiA+ID4gVGhpcyBpcyBhIHNlcmlvdXMgd2FzdGUgb2YgbWVtb3J5LCBjb25zaWRl cmluZyB0aGF0IHN0YW5kYXJkDQo+IEV0aGVybmV0IGZyYW1lcyBhcmUgbWF4IDE1MTggYnl0ZXMu DQo+ID4gPg0KPiA+ID4gSG93IHdpZGUgc3ByZWFkIGlzIHRoaXMgbGltaXRhdGlvbi4uLiBpcyBp dCBjb21tb24gb3IgYSByYXJlDQo+IGV4Y2VwdGlvbj8NCj4gPiA+DQo+ID4gPiBXaGVyZSBpcyBp dCBkb2N1bWVudGVkIHdoaWNoIE5JQ3Mgc3VmZmVyIGZyb20gdGhpcyBsaW1pdGF0aW9uPw0KPiA+ ID4NCj4gPiA+IERvIGFueSBJbnRlbCBOSUNzIHN1ZmZlciBmcm9tIHRoaXMgbGltaXRhdGlvbj8N Cj4gPiA+DQo+ID4gPg0KPiA+ID4gTkI6IFdlIGFyZSB0YXJnZXRpbmcgYW4gTUJVRiB0b3RhbCBz aXplIChpbmNsLiBtZW16b25lIGVsZW1lbnQNCj4gb3ZlcmhlYWQpIG9mIDJeTiwgYW5kIHRoaXMg bGltaXRhdGlvbiB3b3VsZCBpbmNyZWFzZSBvdXIgTUJVRiB0b3RhbA0KPiBzaXplIHRvIDQgS0Iu DQo+ID4gPg0KPiA+ID4NCj4gPiA+IE1lZCB2ZW5saWcgaGlsc2VuIC8ga2luZCByZWdhcmRzDQo+ ID4gPiAtIE1vcnRlbiBCcsO4cnVwDQo+ID4gPg0KPiA+DQo+ID4gQUZBSUs6IHRoZSBOSUNzIHN1 cHBvcnRlZCBieSB0aGUgaXhnYmUgZHJpdmVyIG9ubHkgYWxsb3cgdGhlIHNpemUgdG8NCj4gYmUN Cj4gPiBzcGVjaWZpZWQgaW4gS0IgZ3JhbnVsYXJpdHkuDQo+ID4NCj4gPiBIb3dldmVyLCBpdCBt YXkgYmUgc2FmZSB0byBoYXZlIGEgZHJpdmVyIG1vZGlmaWNhdGlvbiB3aGVyZWJ5DQo+IGFueXRo aW5nIG92ZXINCj4gPiAxNjAwIGJ5dGVzIGlzIGNvbnNpZGVyZWQgYXMgMktCIGlmIGp1bWJvIGZy YW1lIHN1cHBvcnQgaXMgZGlzYWJsZWQuIEkNCj4gZG9uJ3QNCj4gPiB0aGluayBhbnlvbmUgaGFz IGFjdHVhbGx5IGxvb2tlZCBpbnRvIGRvaW5nIHNvIHRob3VnaCwgb3IgaWYgdGhlcmUNCj4gYXJl DQo+ID4gb3RoZXIgaGlkZGVuIGdvdGNoYXMgYWJvdXQgYXR0ZW1wdGluZyB0byBkbyBzby4NCj4g DQo+IElmIEkgcmVtZW1iZXIgd2VsbCwgdGhlIG5pYW50aWMgTklDcyAoYW5kIHByb2JhYmx5IHNv bWUgb3RoZXJzKSBjYW4NCj4gaGF2ZSB0aGVpciByeCBzaXplIGNvbmZpZ3VyZWQgd2l0aCA1MTIs IDEwMjQsIDIwNDgsIC4uLg0KPiBUaGlzIGlzIHRoZSBzaXplIHRoYXQgc2hvdWxkIGJlIGF2YWls YWJsZSBmcm9tIHRoZSBnaXZlbiBkYXRhIHBvaW50ZXIsDQo+IGkuZS4gaXQgZG9lcyBub3QgaW5j bHVkZSB0aGUgaGVhZHJvb20uDQo+IA0KPiBJIHN1cHBvc2UgdGhhdCBpZiB3ZSBjb25maWd1cmUg dGhlIE5JQyB3aXRoIDJLIGJ1dCBnaXZlIGxlc3MgdGhhbiAySywNCj4gdGhlIE5JQw0KPiBtYXkg d3JpdGUgYWZ0ZXIgdGhlIGJ1ZmZlciB3aGVuIHJlY2VpdmluZyBhIGxhcmdlIHBhY2tldC4NCj4g DQo+IA0KPiBPbGl2aWVyDQoNClRoYW5rcyBmb3IgdGhlIHF1aWNrIGFuZCBkZXRhaWxlZCByZXBs aWVzLCBCcnVjZSBhbmQgT2xpdmllci4NCg0KSW4gY29uY2x1c2lvbiwgdGhpcyBOSUMgbGltaXRh dGlvbiBzZWVtcyBtb3JlIGxpa2VseSB0aGFuIHVubGlrZWx5Lg0KDQpBbmQgYSB3b3JrYXJvdW5k IGlzIHJpc2t5IGJ1c2luZXNzLg0KDQpXZSB3aWxsIGFiYW5kb24gdGhlIGlkZWEgb2YgZ2V0dGlu ZyBhbiAyXk4gdG90YWwgc2l6ZSBNQlVGLiBJdCdzIG5vdCBhIGJpZyBkZWFsLg0KDQoNCg==