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Tue, 4 Aug 2026 15:08:10 +0800 From: Fengyu Wang To: Tim Chen , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot CC: Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , K Prateek Nayak , Chen Yu , Shrikanth Hegde , "linux-kernel@vger.kernel.org" , Jianyong Wu , Yuan Zhong , Huangsj Subject: =?utf-8?B?5Zue5aSNOiBbUEFUQ0hdIHNjaGVkL3RvcG9sb2d5OiBGcmVlIE5VTUEgbWFz?= =?utf-8?Q?ks_on_topology_allocation_failure?= Thread-Topic: [PATCH] sched/topology: Free NUMA masks on topology allocation failure Thread-Index: AQHdIMSj6doQGJUeH06fQuVlvXYmfLaMlbsAgADoN0A= Date: Tue, 4 Aug 2026 07:08:09 +0000 Message-ID: References: <20260731081413.5505-1-wangfengyu@hygon.cn> <911d52f3a1a3040ffe447dde3f4a71b68da9f9f0.camel@linux.intel.com> In-Reply-To: <911d52f3a1a3040ffe447dde3f4a71b68da9f9f0.camel@linux.intel.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 QWdyZWVkLCB0aGF0J3Mgc2ltcGxlci4gIFYyIHdpbGwgbW92ZSB0aGUgcmN1X2Fzc2lnbl9wb2lu dGVyKCkgYmVsb3cgdGhlIHRsIGNoZWNrLg0KDQpUaGFua3MuDQpGZW5neXUgV2FuZyANCiANCi0t LS0t6YKu5Lu25Y6f5Lu2LS0tLS0NCuWPkeS7tuS6ujogVGltIENoZW4gPHRpbS5jLmNoZW5AbGlu dXguaW50ZWwuY29tPiANCuWPkemAgeaXtumXtDogMjAyNuW5tDjmnIg05pelIDk6MTUNCuaUtuS7 tuS6ujogRmVuZ3l1IFdhbmcgPHdhbmdmZW5neXVAaHlnb24uY24+OyBJbmdvIE1vbG5hciA8bWlu Z29AcmVkaGF0LmNvbT47IFBldGVyIFppamxzdHJhIDxwZXRlcnpAaW5mcmFkZWFkLm9yZz47IEp1 cmkgTGVsbGkgPGp1cmkubGVsbGlAcmVkaGF0LmNvbT47IFZpbmNlbnQgR3VpdHRvdCA8dmluY2Vu dC5ndWl0dG90QGxpbmFyby5vcmc+DQrmioTpgIE6IERpZXRtYXIgRWdnZW1hbm4gPGRpZXRtYXIu ZWdnZW1hbm5AYXJtLmNvbT47IFN0ZXZlbiBSb3N0ZWR0IDxyb3N0ZWR0QGdvb2RtaXMub3JnPjsg QmVuIFNlZ2FsbCA8YnNlZ2FsbEBnb29nbGUuY29tPjsgTWVsIEdvcm1hbiA8bWdvcm1hbkBzdXNl LmRlPjsgVmFsZW50aW4gU2NobmVpZGVyIDx2c2NobmVpZEByZWRoYXQuY29tPjsgSyBQcmF0ZWVr IE5heWFrIDxrcHJhdGVlay5uYXlha0BhbWQuY29tPjsgQ2hlbiBZdSA8eXUuYy5jaGVuQGludGVs LmNvbT47IFNocmlrYW50aCBIZWdkZSA8c3NoZWdkZUBsaW51eC5pYm0uY29tPjsgbGludXgta2Vy bmVsQHZnZXIua2VybmVsLm9yZzsgSmlhbnlvbmcgV3UgPHd1amlhbnlvbmdAaHlnb24uY24+OyBZ dWFuIFpob25nIDx6aG9uZ3l1YW5AaHlnb24uY24+OyBIdWFuZ3NqIDxodWFuZ3NqQGh5Z29uLmNu Pg0K5Li76aKYOiBSZTogW1BBVENIXSBzY2hlZC90b3BvbG9neTogRnJlZSBOVU1BIG1hc2tzIG9u IHRvcG9sb2d5IGFsbG9jYXRpb24gZmFpbHVyZQ0KDQpPbiBGcmksIDIwMjYtMDctMzEgYXQgMTY6 MTQgKzA4MDAsIEZlbmd5dSBXYW5nIHdyb3RlOg0KPiBzY2hlZF9pbml0X251bWEoKSBwdWJsaXNo ZXMgc2NoZWRfZG9tYWluc19udW1hX21hc2tzIGJlZm9yZSBpdCANCj4gYWxsb2NhdGVzIHRoZSB0 b3BvbG9neSBhcnJheS4gIFdoZW4gdGhhdCBhbGxvY2F0aW9uIGZhaWxzLCB0aGUgZWFybHkgDQo+ IHJldHVybiBsZWF2ZXMgdGhlIG1hc2tzIHB1Ymxpc2hlZCB3aGlsZSBzY2hlZF9kb21haW5zX251 bWFfbGV2ZWxzIGlzIA0KPiBzdGlsbCB6ZXJvOiBub3RoaW5nIGRlcmVmZXJlbmNlcyB0aGVtLCBi dXQgbm90aGluZyBjYW4gZnJlZSB0aGVtIA0KPiBlaXRoZXIsIGFuZCB0aGUgdG9wb2xvZ3kgdGhl eSB3ZXJlIGJ1aWx0IGZvciBpcyBuZXZlciBpbnN0YWxsZWQuDQo+IFVucHVibGlzaCBhbmQgZnJl ZSB0aGVtIGluc3RlYWQuDQo+IA0KPiBGaXhlczogY2I4M2I2MjliYWUwICgic2NoZWQvbnVtYTog UmV3cml0ZSB0aGUgQ09ORklHX05VTUEgc2NoZWQgZG9tYWluIA0KPiBzdXBwb3J0IikNCj4gU2ln bmVkLW9mZi1ieTogRmVuZ3l1IFdhbmcgPHdhbmdmZW5neXVAaHlnb24uY24+DQo+IC0tLQ0KPiBU ZXN0ZWQgYnkgaGFyZGNvZGluZyB0bCB0byBOVUxMIHJpZ2h0IGFmdGVyIHRoZSBremFsbG9jKCkg dG8gZm9yY2UgdGhlIA0KPiBmYWlsdXJlIHBhdGg7IHRoZSBtYXNrcyBhcmUgcmVsZWFzZWQgYW5k IHRoZSBtYWNoaW5lIGJvb3RzIG5vcm1hbGx5Lg0KPiANCj4gIGtlcm5lbC9zY2hlZC90b3BvbG9n eS5jIHwgMTEgKysrKysrKysrKy0NCj4gIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCsp LCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEva2VybmVsL3NjaGVkL3RvcG9sb2d5 LmMgYi9rZXJuZWwvc2NoZWQvdG9wb2xvZ3kuYyBpbmRleCANCj4gNjIyZTJlMDE5NzRjLi4yMDhm ZGM1MmY1MmQgMTAwNjQ0DQo+IC0tLSBhL2tlcm5lbC9zY2hlZC90b3BvbG9neS5jDQo+ICsrKyBi L2tlcm5lbC9zY2hlZC90b3BvbG9neS5jDQo+IEBAIC0yNDAzLDggKzI0MDMsMTcgQEAgdm9pZCBz Y2hlZF9pbml0X251bWEoaW50IG9mZmxpbmVfbm9kZSkNCj4gIA0KPiAgCXRsID0ga3phbGxvYygo aSArIG5yX2xldmVscyArIDEpICoNCj4gIAkJCXNpemVvZihzdHJ1Y3Qgc2NoZWRfZG9tYWluX3Rv cG9sb2d5X2xldmVsKSwgR0ZQX0tFUk5FTCk7DQo+IC0JaWYgKCF0bCkNCj4gKwlpZiAoIXRsKSB7 DQo+ICsJCXJjdV9hc3NpZ25fcG9pbnRlcihzY2hlZF9kb21haW5zX251bWFfbWFza3MsIE5VTEwp Ow0KPiArCQlzeW5jaHJvbml6ZV9yY3UoKTsNCj4gKwkJZm9yIChpID0gMDsgaSA8IG5yX2xldmVs czsgaSsrKSB7DQo+ICsJCQlmb3JfZWFjaF9ub2RlKGopDQo+ICsJCQkJa2ZyZWUobWFza3NbaV1b al0pOw0KPiArCQkJa2ZyZWUobWFza3NbaV0pOw0KPiArCQl9DQo+ICsJCWtmcmVlKG1hc2tzKTsN Cj4gIAkJcmV0dXJuOw0KPiArCX0NCg0KVGhlIGNvZGUgaXMgY2xlYW5lciB3aXRob3V0IHRoZSBz eW5jaHJvbml6ZV9yY3UoKSBhbmQgc2V0IHRvIG51bGwgZGFuY2UgaWYgd2UgZG8gcmN1X2Fzc2ln bl9wb2ludGVyKHNjaGVkX2RvbWFpbnNfbnVtYV9tYXNrcywgbWFza3MpOyBhZnRlciB0aGUgdGwg Y2hlY2suDQoNClRoYW5rcy4NCg0KVGltDQoNCj4gIA0KPiAgCS8qDQo+ICAJICogQ29weSB0aGUg ZGVmYXVsdCB0b3BvbG9neSBiaXRzLi4NCg0K