From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2F815489B1; Thu, 23 Oct 2025 10:51:28 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E87BC402C3; Thu, 23 Oct 2025 10:51:27 +0200 (CEST) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mails.dpdk.org (Postfix) with ESMTP id D6479400D6 for ; Thu, 23 Oct 2025 10:51:25 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.19.88.163]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4csfnF1vgwz1R9Vr; Thu, 23 Oct 2025 16:48:01 +0800 (CST) Received: from kwepemk500008.china.huawei.com (unknown [7.202.194.93]) by mail.maildlp.com (Postfix) with ESMTPS id 52BD01800CE; Thu, 23 Oct 2025 16:51:23 +0800 (CST) Received: from dubpeml500001.china.huawei.com (7.214.147.241) by kwepemk500008.china.huawei.com (7.202.194.93) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 23 Oct 2025 16:51:22 +0800 Received: from dubpeml500001.china.huawei.com ([7.214.147.241]) by dubpeml500001.china.huawei.com ([7.214.147.241]) with mapi id 15.02.1544.011; Thu, 23 Oct 2025 09:51:19 +0100 From: Konstantin Ananyev To: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= , "dev@dpdk.org" , Stephen Hemminger , Wathsala Vithanage , Fengchengwen , "Bruce Richardson" Subject: RE: [PATCH v5] mbuf: optimize segment prefree Thread-Topic: [PATCH v5] mbuf: optimize segment prefree Thread-Index: AQHcQ/NUxCpzFpnLEUCegFLyVmlwCLTPa7AA Date: Thu, 23 Oct 2025 08:51:19 +0000 Message-ID: References: <20250827213535.21602-1-mb@smartsharesystems.com> <20251023080136.165513-1-mb@smartsharesystems.com> In-Reply-To: <20251023080136.165513-1-mb@smartsharesystems.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.175.92] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org DQoNCj4gDQo+IFJlZmFjdG9yZWQgcnRlX3BrdG1idWZfcHJlZnJlZV9zZWcoKSBmb3IgYm90aCBw ZXJmb3JtYW5jZSBhbmQgcmVhZGFiaWxpdHkuDQo+IA0KPiBXaXRoIHRoZSBvcHRpbWl6ZWQgUlRF X01CVUZfRElSRUNUKCkgbWFjcm8sIHRoZSBjb21tb24gbGlrZWx5IGNvZGUgcGF0aA0KPiBub3cg Zml0cyB3aXRoaW4gb25lIGluc3RydWN0aW9uIGNhY2hlIGxpbmUgb24geDg2LTY0IHdoZW4gYnVp bHQgd2l0aCBHQ0MuDQo+IA0KPiBTaWduZWQtb2ZmLWJ5OiBNb3J0ZW4gQnLDuHJ1cCA8bWJAc21h cnRzaGFyZXN5c3RlbXMuY29tPg0KPiBBY2tlZC1ieTogS29uc3RhbnRpbiBBbmFueWV2IDxrb25z dGFudGluLmFuYW55ZXZAaHVhd2VpLmNvbT4NCj4gQWNrZWQtYnk6IENoZW5nd2VuIEZlbmcgPGZl bmdjaGVuZ3dlbkBodWF3ZWkuY29tPg0KPiBSZXZpZXdlZC1ieTogQnJ1Y2UgUmljaGFyZHNvbiA8 YnJ1Y2UucmljaGFyZHNvbkBpbnRlbC5jb20+DQo+IC0tLQ0KPiB2NToNCj4gKiBSZW1vdmVkIHRo ZSBwbGFpbiBSVEVfTUJVRl9ESVJFQ1QoKSBtYWNybywgYW5kIG9ubHkgdXNlIHRoZSBvcHRpbWl6 ZWQNCj4gICB2YXJpYW50LiAoQnJ1Y2UgUmljaGFyZHNvbikNCj4gICBGdXJ0aGVyIHRlc3Rpbmcg b24gR29kYm9sdCBjb25maXJtZWQgdGhhdCBvdGhlciBjb21waWxlcnMgYmVuZWZpdCBmcm9tDQo+ ICAgdGhlIG9wdGltaXplZCBtYWNybyB0b28uDQo+ICogU2hvcnRlbmVkIHRoZSBkZXNjcmlwdGlv biBvZiB0aGUgUlRFX01CVUZfRElSRUNUKCkgbWFjcm8sIGFuZCBvbmx5DQo+ICAgcHJvdmlkZSBv bmUgZXhhbXBsZSBvZiBjb2RlIGVtaXR0ZWQgYnkgYSBjb21waWxlci4gKEJydWNlIFJpY2hhcmRz b24pDQo+ICogQ29uc29saWRhdGVkIHRoZSBzdGF0aWNfYXNzZXJ0KCkgaW50byBvbmUsIGNvdmVy aW5nIGJvdGggbGl0dGxlIGFuZCBiaWcNCj4gICBlbmRpYW4uDQo+ICAgVGhpcyBhbHNvIHJlZHVj ZXMgdGhlIGFtb3VudCBvZiBlbmRpYW4tY29uZGl0aW9uYWwgc291cmNlIGNvZGUgYW5kDQo+ICAg aW1wcm92ZXMgcmVhZGFiaWxpdHkuDQo+ICAgKEJydWNlIFJpY2hhcmRzb24pDQo+ICogQWRkZWQg Y29tbWVudCBhYm91dCBNU0IgbWVhbmluZyAibW9zdCBzaWduaWZpY2FudCBieXRlIi4NCj4gdjQ6 DQo+ICogRW5hYmxlZCB0aGUgb3B0aW1pemVkIFJURV9NQlVGX0RJUkVDVCgpIG1hY3JvIGZvciBH Q0Mgb24gYWxsDQo+ICAgYXJjaGl0ZWN0dXJlcy4NCj4gdjM6DQo+ICogUmV3cm90ZSB0aGUgb3B0 aW1pemVkIFJURV9NQlVGX0RJUkVDVCgpIG1hY3JvIGZvciByZWFkYWJpbGl0eTsgdXNlDQo+ICAg bnVtZXJpY2FsIHZhbHVlIGluc3RlYWQgb2YgbG9uZyBuYW1lcy4gKEJydWNlIFJpY2hhcmRzb24p DQo+ICogRW5hYmxlZCB0aGUgb3B0aW1pemVkIFJURV9NQlVGX0RJUkVDVCgpIG1hY3JvIGZvciBM b29uZ2FyY2ggdG9vLg0KPiB2MjoNCj4gKiBGaXhlZCB0eXBvIGluIGNvbW1pdCBkZXNjcmlwdGlv bi4NCj4gKiBGaXhlZCBpbmRlbnRhdGlvbi4NCj4gKiBBZGRlZCBkZXRhaWxlZCBkZXNjcmlwdGlv biB0byB0aGUgb3B0aW1pemVkIFJURV9NQlVGX0RJUkVDVCgpIG1hY3JvLg0KPiAgIChTdGVwaGVu IEhlbW1pbmdlcikNCj4gKiBBZGRlZCBzdGF0aWNfYXNzZXJ0KCkgdG8gdmVyaWZ5IHRoYXQgdGhl IG9wdGltaXplZCBSVEVfTUJVRl9ESVJFQ1QoKQ0KPiAgIG1hY3JvIGlzIHZhbGlkLCBzcGVjaWZp Y2FsbHkgdGhhdCB0aGUgdGVzdGVkIGJpdHMgYXJlIGluIHRoZSBNU0Igb2YgdGhlDQo+ICAgNjQt Yml0IGZpZWxkLg0KPiAtLS0NCj4gIGxpYi9tYnVmL3J0ZV9tYnVmLmggICAgICB8IDUxICsrKysr KysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gIGxpYi9tYnVmL3J0ZV9tYnVm X2NvcmUuaCB8IDMzICsrKysrKysrKysrKysrKysrKysrKysrLS0tDQo+ICAyIGZpbGVzIGNoYW5n ZWQsIDQ5IGluc2VydGlvbnMoKyksIDM1IGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBh L2xpYi9tYnVmL3J0ZV9tYnVmLmggYi9saWIvbWJ1Zi9ydGVfbWJ1Zi5oDQo+IGluZGV4IDNkZjIy MTI1ZGUuLjIwMDQzOTFmNTcgMTAwNjQ0DQo+IC0tLSBhL2xpYi9tYnVmL3J0ZV9tYnVmLmgNCj4g KysrIGIvbGliL21idWYvcnRlX21idWYuaA0KPiBAQCAtMzEsNiArMzEsNyBAQA0KPiAgICogaHR0 cDovL3d3dy5rb2hhbGEuY29tL3N0YXJ0L3RjcGlwaXYyLmh0bWwNCj4gICAqLw0KPiANCj4gKyNp bmNsdWRlIDxzdGRib29sLmg+DQo+ICAjaW5jbHVkZSA8c3RkaW50Lmg+DQo+IA0KPiAgI2luY2x1 ZGUgPHJ0ZV9jb21tb24uaD4NCj4gQEAgLTE0NTgsNDQgKzE0NTksMzAgQEAgc3RhdGljIGlubGlu ZSBpbnQNCj4gX19ydGVfcGt0bWJ1Zl9waW5uZWRfZXh0YnVmX2RlY3JlZihzdHJ1Y3QgcnRlX21i dWYgKm0pDQo+ICBzdGF0aWMgX19ydGVfYWx3YXlzX2lubGluZSBzdHJ1Y3QgcnRlX21idWYgKg0K PiAgcnRlX3BrdG1idWZfcHJlZnJlZV9zZWcoc3RydWN0IHJ0ZV9tYnVmICptKQ0KPiAgew0KPiAt CV9fcnRlX21idWZfc2FuaXR5X2NoZWNrKG0sIDApOw0KPiAtDQo+IC0JaWYgKGxpa2VseShydGVf bWJ1Zl9yZWZjbnRfcmVhZChtKSA9PSAxKSkgew0KPiAtDQo+IC0JCWlmICghUlRFX01CVUZfRElS RUNUKG0pKSB7DQo+IC0JCQlydGVfcGt0bWJ1Zl9kZXRhY2gobSk7DQo+IC0JCQlpZiAoUlRFX01C VUZfSEFTX0VYVEJVRihtKSAmJg0KPiAtCQkJICAgIFJURV9NQlVGX0hBU19QSU5ORURfRVhUQlVG KG0pICYmDQo+IC0JCQkgICAgX19ydGVfcGt0bWJ1Zl9waW5uZWRfZXh0YnVmX2RlY3JlZihtKSkN Cj4gLQkJCQlyZXR1cm4gTlVMTDsNCj4gLQkJfQ0KPiAtDQo+IC0JCWlmIChtLT5uZXh0ICE9IE5V TEwpDQo+IC0JCQltLT5uZXh0ID0gTlVMTDsNCj4gLQkJaWYgKG0tPm5iX3NlZ3MgIT0gMSkNCj4g LQkJCW0tPm5iX3NlZ3MgPSAxOw0KPiArCWJvb2wgcmVmY250X25vdF9vbmU7DQo+IA0KPiAtCQly ZXR1cm4gbTsNCj4gKwlfX3J0ZV9tYnVmX3Nhbml0eV9jaGVjayhtLCAwKTsNCj4gDQo+IC0JfSBl bHNlIGlmIChfX3J0ZV9tYnVmX3JlZmNudF91cGRhdGUobSwgLTEpID09IDApIHsNCj4gKwlyZWZj bnRfbm90X29uZSA9IHVubGlrZWx5KHJ0ZV9tYnVmX3JlZmNudF9yZWFkKG0pICE9IDEpOw0KPiAr CWlmIChyZWZjbnRfbm90X29uZSAmJiBfX3J0ZV9tYnVmX3JlZmNudF91cGRhdGUobSwgLTEpICE9 IDApDQo+ICsJCXJldHVybiBOVUxMOw0KPiANCj4gLQkJaWYgKCFSVEVfTUJVRl9ESVJFQ1QobSkp IHsNCj4gLQkJCXJ0ZV9wa3RtYnVmX2RldGFjaChtKTsNCj4gLQkJCWlmIChSVEVfTUJVRl9IQVNf RVhUQlVGKG0pICYmDQo+IC0JCQkgICAgUlRFX01CVUZfSEFTX1BJTk5FRF9FWFRCVUYobSkgJiYN Cj4gLQkJCSAgICBfX3J0ZV9wa3RtYnVmX3Bpbm5lZF9leHRidWZfZGVjcmVmKG0pKQ0KPiAtCQkJ CXJldHVybiBOVUxMOw0KPiAtCQl9DQo+ICsJaWYgKHVubGlrZWx5KCFSVEVfTUJVRl9ESVJFQ1Qo bSkpKSB7DQo+ICsJCXJ0ZV9wa3RtYnVmX2RldGFjaChtKTsNCj4gKwkJaWYgKFJURV9NQlVGX0hB U19FWFRCVUYobSkgJiYNCj4gKwkJCQlSVEVfTUJVRl9IQVNfUElOTkVEX0VYVEJVRihtKSAmJg0K PiArCQkJCV9fcnRlX3BrdG1idWZfcGlubmVkX2V4dGJ1Zl9kZWNyZWYobSkpDQo+ICsJCQlyZXR1 cm4gTlVMTDsNCj4gKwl9DQo+IA0KPiAtCQlpZiAobS0+bmV4dCAhPSBOVUxMKQ0KPiAtCQkJbS0+ bmV4dCA9IE5VTEw7DQo+IC0JCWlmIChtLT5uYl9zZWdzICE9IDEpDQo+IC0JCQltLT5uYl9zZWdz ID0gMTsNCj4gKwlpZiAocmVmY250X25vdF9vbmUpDQo+ICAJCXJ0ZV9tYnVmX3JlZmNudF9zZXQo bSwgMSk7DQo+ICsJaWYgKG0tPm5iX3NlZ3MgIT0gMSkNCj4gKwkJbS0+bmJfc2VncyA9IDE7DQo+ ICsJaWYgKG0tPm5leHQgIT0gTlVMTCkNCj4gKwkJbS0+bmV4dCA9IE5VTEw7DQo+IA0KPiAtCQly ZXR1cm4gbTsNCj4gLQl9DQo+IC0JcmV0dXJuIE5VTEw7DQo+ICsJcmV0dXJuIG07DQo+ICB9DQo+ IA0KPiAgLyoqDQo+IGRpZmYgLS1naXQgYS9saWIvbWJ1Zi9ydGVfbWJ1Zl9jb3JlLmggYi9saWIv bWJ1Zi9ydGVfbWJ1Zl9jb3JlLmgNCj4gaW5kZXggYTBkZjI2NWI1ZC4uMWRmZWFiMDUxMSAxMDA2 NDQNCj4gLS0tIGEvbGliL21idWYvcnRlX21idWZfY29yZS5oDQo+ICsrKyBiL2xpYi9tYnVmL3J0 ZV9tYnVmX2NvcmUuaA0KPiBAQCAtNzExLDkgKzcxMSwzNiBAQCBzdHJ1Y3QgcnRlX21idWZfZXh0 X3NoYXJlZF9pbmZvIHsNCj4gICAqDQo+ICAgKiBJZiBhIG1idWYgZW1iZWRzIGl0cyBvd24gZGF0 YSBhZnRlciB0aGUgcnRlX21idWYgc3RydWN0dXJlLCB0aGlzIG1idWYNCj4gICAqIGNhbiBiZSBk ZWZpbmVkIGFzIGEgZGlyZWN0IG1idWYuDQo+IC0gKi8NCj4gLSNkZWZpbmUgUlRFX01CVUZfRElS RUNUKG1iKSBcDQo+IC0JKCEoKG1iKS0+b2xfZmxhZ3MgJiAoUlRFX01CVUZfRl9JTkRJUkVDVCB8 IFJURV9NQlVGX0ZfRVhURVJOQUwpKSkNCj4gKyAqDQo+ICsgKiBOb3RlOiBNYWNybyBvcHRpbWl6 ZWQgZm9yIGNvZGUgc2l6ZS4NCj4gKyAqDQo+ICsgKiBUaGUgcGxhaW4gbWFjcm8gd291bGQgYmU6 DQo+ICsgKiAgICAgICNkZWZpbmUgUlRFX01CVUZfRElSRUNUKG1iKSBcDQo+ICsgKiAgICAgICAg ICAoISgobWIpLT5vbF9mbGFncyAmIChSVEVfTUJVRl9GX0lORElSRUNUIHwgUlRFX01CVUZfRl9F WFRFUk5BTCkpKQ0KPiArICoNCj4gKyAqIFRoZSBmbGFncyBSVEVfTUJVRl9GX0lORElSRUNUIGFu ZCBSVEVfTUJVRl9GX0VYVEVSTkFMIGFyZSBib3RoIGluIHRoZQ0KPiBNU0IgKG1vc3Qgc2lnbmlm aWNhbnQNCj4gKyAqIGJ5dGUpIG9mIHRoZSA2NC1iaXQgb2xfZmxhZ3MgZmllbGQsIHNvIHdlIG9u bHkgY29tcGFyZSB0aGlzIG9uZSBieXRlIGluc3RlYWQgb2YgYWxsDQo+IDY0IGJpdHMuDQo+ICsg Kg0KPiArICogRS5nLiwgR0NDIHZlcnNpb24gMTYuMC4wIDIwMjUxMDE5IChleHBlcmltZW50YWwp IGdlbmVyYXRlcyB0aGUgZm9sbG93aW5nIGNvZGUNCj4gZm9yIHg4Ni02NC4NCj4gKyAqDQo+ICsg KiBXaXRoIHRoZSBwbGFpbiBtYWNybywgMTcgYnl0ZXMgb2YgaW5zdHJ1Y3Rpb25zOg0KPiArICog ICAgICBtb3ZhYnMgcmF4LDB4NjAwMDAwMDAwMDAwMDAwMCAgICAgICAvLyAxMCBieXRlcw0KPiAr ICogICAgICBhbmQgICAgcmF4LFFXT1JEIFBUUiBbcmRpKzB4MThdICAgICAvLyA0IGJ5dGVzDQo+ ICsgKiAgICAgIHNldGUgICBhbCAgICAgICAgICAgICAgICAgICAgICAgICAgIC8vIDMgYnl0ZXMN Cj4gKyAqIFdpdGggdGhpcyBvcHRpbWl6ZWQgbWFjcm8sIG9ubHkgNyBieXRlcyBvZiBpbnN0cnVj dGlvbnM6DQo+ICsgKiAgICAgIHRlc3QgICBCWVRFIFBUUiBbcmRpKzB4MWZdLDB4NjAgICAgIC8v IDQgYnl0ZXMNCj4gKyAqICAgICAgc2V0ZSAgIGFsICAgICAgICAgICAgICAgICAgICAgICAgICAg Ly8gMyBieXRlcw0KPiArICovDQo+ICsjaWYgUlRFX0JZVEVfT1JERVIgPT0gUlRFX0xJVFRMRV9F TkRJQU4NCj4gKy8qIE9uIGxpdHRsZSBlbmRpYW4gYXJjaGl0ZWN0dXJlLCB0aGUgTVNCIG9mIGEg NjQtYml0IGludGVnZXIgaXMgYXQgYnl0ZSBvZmZzZXQgNy4gKi8NCj4gKyNkZWZpbmUgUlRFX01C VUZfRElSRUNUKG1iKSAgICAgISgoKGNvbnN0IGNoYXIgKikoJihtYiktPm9sX2ZsYWdzKSlbN10g JiAweDYwKQ0KPiArI2VsaWYgUlRFX0JZVEVfT1JERVIgPT0gUlRFX0JJR19FTkRJQU4NCj4gKy8q IE9uIGJpZyBlbmRpYW4gYXJjaGl0ZWN0dXJlLCB0aGUgTVNCIG9mIGEgNjQtYml0IGludGVnZXIg aXMgYXQgYnl0ZSBvZmZzZXQgMC4gKi8NCj4gKyNkZWZpbmUgUlRFX01CVUZfRElSRUNUKG1iKSAg ICAgISgoKGNvbnN0IGNoYXIgKikoJihtYiktPm9sX2ZsYWdzKSlbMF0gJiAweDYwKQ0KDQpBIHN0 dXBpZCBxOiB3aHkgdGhlbiBub3Qgc2ltcGx5IGRvOg0KKG1iLT5vbF9mbGFncyA+PiA1NikgJiAw eDYwDQp0aGVuPw0KU2hvdWxkIGhlbHAgdG8gYWxsIHRoZXNlIExFL0JFIGNhc3RzLCBldGMuDQoN Cj4gKyNlbmRpZg0KPiArLyogVmVyaWZ5IHRoZSBvcHRpbWl6YXRpb24gYWJvdmUuICovDQo+ICtz dGF0aWNfYXNzZXJ0KChSVEVfTUJVRl9GX0lORElSRUNUIHwgUlRFX01CVUZfRl9FWFRFUk5BTCkg PT0NCj4gVUlOVDY0X0MoMHg2MCkgPDwgKDcgKiBDSEFSX0JJVCksDQo+ICsJIihSVEVfTUJVRl9G X0lORElSRUNUIHwgUlRFX01CVUZfRl9FWFRFUk5BTCkgaXMgbm90IDB4NjAgYXQgTVNCIik7DQo+ IA0KPiAgLyoqIFVuaW5pdGlhbGl6ZWQgb3IgdW5zcGVjaWZpZWQgcG9ydC4gKi8NCj4gICNkZWZp bmUgUlRFX01CVUZfUE9SVF9JTlZBTElEIFVJTlQxNl9NQVgNCj4gLS0NCj4gMi40My4wDQoNCg==