Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
From:   Song Liu <songliubraving@fb.com>
To:     "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "daniel@iogearbox.net" <daniel@iogearbox.net>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "ast@kernel.org" <ast@kernel.org>,
        "bpf@vger.kernel.org" <bpf@vger.kernel.org>,
        "Torvalds, Linus" <torvalds@linux-foundation.org>,
        Kernel Team <Kernel-team@fb.com>,
        "song@kernel.org" <song@kernel.org>,
        "mcgrof@kernel.org" <mcgrof@kernel.org>
Subject: Re: [PATCH bpf-next 5/5] bpf: use module_alloc_huge for bpf_prog_pack
Thread-Topic: [PATCH bpf-next 5/5] bpf: use module_alloc_huge for
 bpf_prog_pack
Thread-Index: AQHYaOeMGoBl3hFoL0eR1OYIkVdnbK0jcwCAgAAfoYCAAC+jgIAAbBSAgACuWQCAAByMAA==
Date:   Wed, 18 May 2022 18:31:46 +0000
Message-ID: <08D418F5-0FAA-4544-B6DE-FA2371D3AAF7@fb.com>
References: <20220516054051.114490-1-song@kernel.org>
 <20220516054051.114490-6-song@kernel.org>
 <83a69976cb93e69c5ad7a9511b5e57c402eee19d.camel@intel.com>
 <68615225-D09D-465A-8EEC-6F81EF074854@fb.com>
 <dc23afb892846ef41d73a41d58c07f6620cb6312.camel@intel.com>
 <42042EE3-EDDF-4DBF-AFD5-89A5CCC59AA3@fb.com>
 <3ab4c6cf8158891167c145015bdf5754f972223a.camel@intel.com>
In-Reply-To: <3ab4c6cf8158891167c145015bdf5754f972223a.camel@intel.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?R1pJSXN2L0EzZHhBOFJlT0FVOFV6ZjhLYUl1QitEK2x0aFRlUWdNQWYrdzR6?=
 =?utf-8?B?dHpQMlQ4MzBJOVc1UFRnUmZxVFRad3lRVnBCY1JEMUZsQTE5c0NRMDJua3M1?=
 =?utf-8?B?Q3RyNTR2anVEMHpRV21VOHhGOFROWWgyNmRwejI4bSt3VFdrdStDMFMxeVYw?=
 =?utf-8?B?UC9JOEVia3BnWlZuZjlKTlQ5OU9LOXY4bEhCZzVpYnduUitmYlNHR2dHditi?=
 =?utf-8?B?c3YyZVRpWjNycEp4VVgyaUgyejFoelNWcktLRVJVdDgwUnJUQzN5NlRGSVR0?=
 =?utf-8?B?WEVSUkJQQ09DOWpEaWxwTDRwOHk2SjcrRlFYV0FoMC9ENXVZSlpQcXJpZjBi?=
 =?utf-8?B?dzYyMldHaUJuUENQZ25iT1d3UGRhUUxTNXRkWnoxWk1NYmNmSCtCWm1IZzAr?=
 =?utf-8?B?MGNOSWsrbzhPZUxKWjRjNSsrOTRkMWVFWGc1RDYvWnBKT3I0YklnWjZvV0hD?=
 =?utf-8?B?MEg5Rlg0VEtOYXRQUEdVejRXVk5oSmU1bGlDMkgwd2Vld1F2aXRWUnlMMUtX?=
 =?utf-8?B?YkNmMktMOWxnYlR5cU5mVDhNZnIycEdvZjJZaThZdEY5OSsvU2FORG5WTUJW?=
 =?utf-8?B?V2VNRWRub2pvSmZXMzhPUGFmc3VlMkk4ZkxpZ0hxalMrZ0JFT1dObU5KcDgx?=
 =?utf-8?B?WkMwVzcxZk55Q1hDYWl6ZEdxY1dqaTN2ZFVXQUdkSXNBaVhGd3dEb3lMek1O?=
 =?utf-8?B?M3RWNUNNR2FteklPQUU1ZCs4alpzMGVaQkRXK1gxVlh5S2FCb25wbDhrd1Uw?=
 =?utf-8?B?R2N5UnZmZ21wUDFPVGhBUjBRaGlRZGw2SGVoZXZQb3NMOUdDRzRmRk4wV1R2?=
 =?utf-8?B?eGJZMzlnZER4S1JsY1Q4WW82K1dnUWY0Q2ZybVllMFBFbFVOczd1anR4TVZq?=
 =?utf-8?B?SklpVEJVcFYvOHBWMzcrN3B6OXdXeWo4dDFCem9ZeTk1OUN0YTYwQjAxRm1S?=
 =?utf-8?B?V1lpSE9kUm9uQ0tQOTQwWUxiNXZvTFowU1dUcnBubnMyTWt6UUZyeFVETFIy?=
 =?utf-8?B?dGtpZjVrRXhvNW1iVDUyVE1naExGSXY3dGhhR0w2RHhIWFBGcmpJNFlaOW9I?=
 =?utf-8?B?QVBDSzFHc2lWdGVyNEVUSDc2eEt2VkxPdGM1UDVQNlArOWh1Tlp3cHBMM1hO?=
 =?utf-8?B?TjEvK2xWeGR4Ry9pQ2FCWDQ2ZEFiT1R4VUJnNkdnZy9qRVU3MVBhR1JYVFRx?=
 =?utf-8?B?UlJ2NmR1UnZWYVptZUlBMHRTcHZGUWpSc1dVZHRKb2UvYm5ZZFVmRExSKzNq?=
 =?utf-8?B?bE9KWng3NEF2blIzaXlHWGZ1eWhFa2Y5eXk3Qyt4ZHVzd3Iza0NpNVVlcVEv?=
 =?utf-8?B?dmVBRjd3cjU0eHBOMWFpTG9oZUZweHNmVHpqODVTMndRTno4NTE2MzV0VkpO?=
 =?utf-8?B?djVDUE9nck9lbFFUM3p6aCs2TTI3eDVqbExiaGtwL25zb2N5RlVsSkIzT2k2?=
 =?utf-8?B?MHdiSTIxemErZVNRMzhoMzFNOE9TaEdIeFJFMzAwbEJIckNjeUNhZzI1QmNt?=
 =?utf-8?B?SlN2TkN5RHdReFh1YWpYbDZpRkEzcDhLa282b1l2dzRlWTFRNjg4RjhZRWww?=
 =?utf-8?B?QU5mTnVQNWdtaEdnbTNCOGxRWjF3Uk5VSU1PYzFUc2M1dWZQWkhmV3RFdk8v?=
 =?utf-8?B?djlkZ1BMbHpWL3B2cVFwOGNtSHQxNEV1TEtseC81bzlNQU42bVd4bGkwclk5?=
 =?utf-8?B?cVkrMlBvWVFmSjVNc0llQ0NlNzM1Y1lld2VOVkx5MFIrSVd6RmcrSGQ4WEo0?=
 =?utf-8?B?d0hpNkplelA3OTU4ZWY4SlZ0SGYrcDJJeDRJNmdwaU1JY05VbkVJT3BDRGJE?=
 =?utf-8?B?SmI5MVJkUUVFRTFUUG1FUFVWV1pONE03cGRoTHF2YXBCdlMwQzRsUUpPWk9z?=
 =?utf-8?B?VUxrT2k3LyttcTZnRlY3N1B6NUthOW9YK0pvQmRFZUNpYWJiMHF4Y0dka2lo?=
 =?utf-8?B?Z0JLSkxwOTBzOUN6MThMMjYyaWxQbk5XeG9jSS9zaDlXUGc0UCtZQVIza3Zk?=
 =?utf-8?B?VExDRjNKTFkxTm9oS2NuNnhEVE1LQTNQZmRUY0JYM2xyT08vb0ZWelFLSXM2?=
 =?utf-8?B?MTZLWVRDOGlCdVo4RmszQk13enMxNXg5bnJrMytXaXZIcTd1b08rYVZjaFhU?=
 =?utf-8?B?TWZkdzYyMVNVRnpoZ0c2SDRXKzZXWE0vc0hZMUllWFM3WDFiK1dQdDQwOG1z?=
 =?utf-8?B?T2lHUENhTlA4RGd3TnJURnpvVWNYVE1KNFNWM25oM3gwaWMwQmtCWm4vYlR4?=
 =?utf-8?B?LzNaUnNTejBuazZobGRNV0tVdGZhSEZhM0dTaG5TOEMwSUJ5S2h3WnFvYmJK?=
 =?utf-8?B?ZUxoR3lSWDcrbWJjbjJDRzhrY0oyRzdBYVh0R3VMRmlURk9HRmtXeFl6VVN2?=
 =?utf-8?Q?6lw5GLwbsJfbaOWFfWalKpw/VZJqTSU/YkBZA?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <C20A7CCBE01A944E9AEC6B04B0BC38F8@namprd15.prod.outlook.com>
X-OriginatorOrg: fb.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: SA1PR15MB5109.namprd15.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: ccd852a0-b164-40a1-acb1-08da38fcaa02
X-MS-Exchange-CrossTenant-originalarrivaltime: 18 May 2022 18:31:46.0937
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: c/60q0KmegcEJJZLZWKnTM7HmGePzLIjO7rI96E2hflnQmAo9wVZuyYemKv1335znqk2juIdgaCMBCKVURwFcA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY3PR15MB4865
X-Proofpoint-ORIG-GUID: DwFu3gPYBCJU9CAioGjgjt4M8aqOqKFr
X-Proofpoint-GUID: DwFu3gPYBCJU9CAioGjgjt4M8aqOqKFr
Content-Transfer-Encoding: base64
X-Proofpoint-UnRewURL: 0 URL was un-rewritten
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.486,FMLib:17.11.64.514
 definitions=2022-05-18_06,2022-05-17_02,2022-02-23_01
X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
	DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE
	autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
	lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

DQoNCj4gT24gTWF5IDE4LCAyMDIyLCBhdCA5OjQ5IEFNLCBFZGdlY29tYmUsIFJpY2sgUCA8cmlj
ay5wLmVkZ2Vjb21iZUBpbnRlbC5jb20+IHdyb3RlOg0KPiANCj4gT24gV2VkLCAyMDIyLTA1LTE4
IGF0IDA2OjM0ICswMDAwLCBTb25nIExpdSB3cm90ZToNCj4+Pj4gSSBhbSBub3QgcXVpdGUgc3Vy
ZSB0aGUgZXhhY3Qgd29yayBuZWVkZWQgaGVyZS4gUmljaywgd291bGQgeW91DQo+Pj4+IGhhdmUN
Cj4+Pj4gdGltZSB0byBlbmFibGUgVk1fRkxVU0hfUkVTRVRfUEVSTVMgZm9yIGh1Z2UgcGFnZXM/
IEdpdmVuIHRoZQ0KPj4+PiBtZXJnZSANCj4+Pj4gd2luZG93IGlzIGNvbWluZyBzb29uLCBJIGd1
ZXNzIHdlIG5lZWQgY3VycmVudCB3b3JrIGFyb3VuZCBpbg0KPj4+PiA1LjE5LiANCj4+PiANCj4+
PiBJIHdvdWxkIGhhdmUgaGFyZCB0aW1lIHNxdWVlemluZyB0aGF0IGluIG5vdy4gVGhlIHZtYWxs
b2MgcGFydCBpcw0KPj4+IGVhc3ksDQo+Pj4gSSB0aGluayBJIGFscmVhZHkgcG9zdGVkIGEgZGlm
Zi4gQnV0IGZpcnN0IGhpYmVybmF0ZSBuZWVkcyB0byBiZQ0KPj4+IGNoYW5nZWQgdG8gbm90IGNh
cmUgYWJvdXQgZGlyZWN0IG1hcCBwYWdlIHNpemVzLg0KPj4gDQo+PiBJIGd1ZXNzIEkgbWlzc2Vk
IHRoZSBkaWZmLCBjb3VsZCB5b3UgcGxlYXNlIHNlbmQgYSBsaW5rIHRvIGl0Pw0KPiANCj4gDQo+
IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xrbWwvNWJkMTZlMmMwNmEyZGYzNTc0MDA1NTZjNmFl
MDFiYjVkM2M1YzMyYS5jYW1lbEBpbnRlbC5jb20vDQo+IA0KPiBUaGUgcmVtYWluaW5nIHByb2Js
ZW0gaXMgdGhhdCBoaWJlcm5hdGUgbWF5IGVuY291bnRlciBOUCBwYWdlcyB3aGVuDQo+IHNhdmlu
ZyBtZW1vcnkgdG8gZGlzay4gSXQgcmVzZXRzIHRoZW0gd2l0aCBDUEEgY2FsbHMgNGsgYXQgYSB0
aW1lLiBTbw0KPiBpZiBhIHBhZ2UgaXMgTlAsIGhpYmVybmF0ZSBuZWVkcyBpdCB0byBiZSBhbHJl
YWR5IGJlIDRrIG9yIGl0IG1pZ2h0DQo+IG5lZWQgdG8gc3BsaXQuIEkgdGhpbmsgaGliZXJuYXRl
IHNob3VsZCBqdXN0IHV0aWxpemUgYSBkaWZmZXJlbnQNCj4gbWFwcGluZyB0byBnZXQgYXQgdGhl
IHBhZ2Ugd2hlbiBpdCBlbmNvdW50ZXJzIHRoaXMgcmFyZSBzY2VuYXJpby4gSW4NCj4gdGhhdCBk
aWZmIEkgcHV0IHNvbWUgbG9ja2luZyBzbyB0aGF0IGhpYmVybmF0ZSBjb3VsZG4ndCByYWNlIHdp
dGggYQ0KPiBodWdlIE5QIHBhZ2UsIGJ1dCB0aGVuIEkgdGhvdWdodCB3ZSBzaG91bGQganVzdCBj
aGFuZ2UgaGliZXJuYXRlLg0KDQpJIGFtIG5vdCBxdWl0ZSBzdXJlIGhvdyB0byB0ZXN0IHRoZSBo
aWJlcm5hdGUgcGF0aC4gR2l2ZW4gdGhlIG1lcmdlDQp3aW5kb3cgaXMgY29taW5nIHNvb24sIGhv
dyBhYm91dCB3ZSBzaGlwIHRoaXMgcGF0Y2ggaW4gNS4xOSwgYW5kIGZpeA0KVk1fRkxVU0hfUkVT
RVRfUEVSTVMgaW4gYSBsYXRlciByZWxlYXNlPw0KDQo+IA0KPj4gDQo+Pj4gDQo+Pj4+IA0KPj4+
Pj4gDQo+Pj4+Pj4gDQo+PiANCj4+PiANCj4+PiBJJ20gYWxzbyBub3QgY2xlYXIgd2h5IHdlIHdv
dWxkbid0IHdhbnQgdG8gdXNlIHRoZSBwcm9nIHBhY2sNCj4+PiBhbGxvY2F0b3INCj4+PiBldmVu
IGlmIHZtYWxsb2MgaHVnZSBwYWdlcyB3YXMgZGlzYWJsZWQuIERvZXNuJ3QgaXQgaW1wcm92ZQ0K
Pj4+IHBlcmZvcm1hbmNlDQo+Pj4gZXZlbiB3aXRoIHNtYWxsIHBhZ2Ugc2l6ZXMsIHBlciB5b3Vy
IGJlbmNobWFya3M/IFdoYXQgaXMgdGhlDQo+Pj4gZG93bnNpZGUNCj4+PiB0byBqdXN0IGFsd2F5
cyB1c2luZyBpdD8NCj4+IA0KPj4gV2l0aCBjdXJyZW50IHZlcnNpb24sIHdoZW4gaHVnZSBwYWdl
IGlzIGRpc2FibGVkLCB0aGUgcHJvZyBwYWNrDQo+PiBhbGxvY2F0b3INCj4+IHdpbGwgdXNlIDRr
QiBwYWdlcyBmb3IgZWFjaCBwYWNrLiBXZSBzdGlsbCBnZXQgYWJvdXQgMC41JSBwZXJmb3JtYW5j
ZQ0KPj4gaW1wcm92ZW1lbnQgd2l0aCA0a0IgcHJvZyBwYWNrcy4gDQo+IA0KPiBPaCwgSSB0aG91
Z2h0IHlvdSB3ZXJlIGNvbXBhcmluZyBhIDJNQiBzaXplZCwgc21hbGwgcGFnZSBtYXBwZWQNCj4g
YWxsb2NhdGlvbiB0byBhIDJNQiBzaXplZCwgaHVnZSBwYWdlIG1hcHBlZCBhbGxvY2F0aW9uLg0K
PiANCj4gSXQgbG9va3MgbGlrZSB0aGUgbG9naWMgaXMgdG8gZnJlZSBhIHBhY2sgaWYgaXQgaXMg
ZW1wdHksIHNvIHRoZW4gZm9yDQo+IHNtYWxsZXIgcGFja3MgeW91IGFyZSBtb3JlIGxpa2VseSB0
byBsZXQgdGhlIHBhZ2VzIGdvIGJhY2sgdG8gdGhlIHBhZ2UNCj4gYWxsb2NhdG9yLiBUaGVuIGZ1
dHVyZSBhbGxvY2F0aW9ucyB3b3VsZCBicmVhayBtb3JlIHBhZ2VzLg0KDQpUaGlzIGlzIGNvcnJl
Y3QuIFRoaXMgaXMgdGhlIGN1cnJlbnQgdmVyc2lvbiB3ZSBoYXZlIHdpdGggNS4xOC1yYzcuIA0K
DQo+IA0KPiBTbyBJIHRoaW5rIHRoYXQgaXMgbm90IGEgZnVsbHkgYXBwbGVzIHRvIGFwcGxlcyB0
ZXN0IG9mIGh1Z2UgbWFwcGluZw0KPiBiZW5lZml0cy4gSSdkIGJlIHN1cnByaXNlZCBpZiB0aGVy
ZSByZWFsbHkgd2FzIG5vIGh1Z2UgbWFwcGluZyBiZW5lZml0LA0KPiBzaW5jZSBpdHMgYmVlbiBz
ZWVuIHdpdGggY29yZSBrZXJuZWwgdGV4dC4gRGlkIHlvdSBub3RpY2UgaWYgdGhlIGRpcmVjdA0K
PiBtYXAgYnJlYWthZ2Ugd2FzIGRpZmZlcmVudCBiZXR3ZWVuIHRoZSB0ZXN0cz8NCg0KSSBkaWRu
4oCZdCBjaGVjayBzcGVjaWZpY2FsbHksIGJ1dCBpdCBpcyBleHBlY3RlZCB0aGF0IHRoZSA0a0Ig
cHJvZyBwYWNrDQp3aWxsIGNhdXNlIG1vcmUgZGlyZWN0IG1hcCBicmVha2FnZS4gDQoNClRoYW5r
cywNClNvbmcNCg0KDQo=