From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 11164 invoked from network); 19 Jan 2022 07:20:09 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 19 Jan 2022 07:20:09 -0000 Received: (qmail 22522 invoked by uid 550); 19 Jan 2022 07:20:05 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 22487 invoked from network); 19 Jan 2022 07:20:04 -0000 From: "zhaohang (F)" To: "musl@lists.openwall.com" CC: "zhangwentao (M)" Thread-Topic: Re: [musl] What's the purpose of the __vm_lock? Thread-Index: AdgNBOTlcdRs7x59QlO81uE6c1pnJw== Date: Wed, 19 Jan 2022 07:19:49 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.176.241] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Subject: Re: Re: [musl] What's the purpose of the __vm_lock? SSdsbCBjaGVjayB0aGUgY29kZSB0byB1bmRlcnN0YW5kIHRoZSBkYXRhIHJhY2UgY29uZGl0aW9u cy4NCg0KVGhhbmtzIGZvciB5b3VyIHJlcGx5Lg0KDQotLS0tLdPKvP7Urbz+LS0tLS0NCreivP7I yzogUmljaCBGZWxrZXIgW21haWx0bzpkYWxpYXNAbGliYy5vcmddIA0Kt6LLzcqxvOQ6IDIwMjLE 6jHUwjEzyNUgMTE6NDQNCsrVvP7Iyzogemhhb2hhbmcgKEYpIDx6aGFvaGFuZzE0QGh1YXdlaS5j b20+DQqzrcvNOiBtdXNsQGxpc3RzLm9wZW53YWxsLmNvbTsgemhhbmd3ZW50YW8gKE0pIDx6aGFu Z3dlbnRhbzIzNEBodWF3ZWkuY29tPg0K1vfM4jogUmU6IFttdXNsXSBXaGF0J3MgdGhlIHB1cnBv c2Ugb2YgdGhlIF9fdm1fbG9jaz8NCg0KT24gVGh1LCBKYW4gMTMsIDIwMjIgYXQgMDM6MDk6NTVB TSArMDAwMCwgemhhb2hhbmcgKEYpIHdyb3RlOg0KPiBIZWxsbywNCj4gDQo+IEknbSBhIGxpdHRs ZSBjb25mdXNlZCBhYm91dCB0aGUgdXNlZnVsbmVzcyBvZiBfX3ZtX2xvY2suIEl0IHNlZW1zIGxp a2UgDQo+IHRoYXQgX192bV9sb2NrIHdhcyBvcmlnaW5hbGx5IGNpdGVkIHRvIHByZXZlbnQgdGhl IGRhdGEgcmFjZSBjb25kaXRpb24gDQo+IGJldHdlZW4gcHRocmVhZF9iYXJyaWVyX3dhaXQgYW5k IHZpcnR1YWwgbWVtb3J5IGNoYW5naW5nLCBidXQgaXQgY2FuIA0KPiBub3QgZW5zdXJlIHRoYXQg dGhlIHZpcnR1YWwgbWVtb3J5IG9mIHRoZSBiYXJyaWVyIHdpbGwgbm90IGJlIGNoYW5nZWQgDQo+ IGJlZm9yZSBwdGhyZWFkX2JhcnJpZXJfd2FpdC4gU28sIHdoYXQgaXMgdGhlIG1lYW5pbmcgdGhh dCBpbnRyb2R1Y2UgDQo+IHRoZSBfX3ZtX2xvY2sgdG8gcHJldmVudCB0aGUgZGF0YSByYWNlPw0K DQpJbiBhIGNvdXBsZSBwbGFjZXMsIGl0J3MgbmVjZXNzYXJ5IHRvIGhvbGQgYSBsb2NrIHRoYXQg cHJldmVudHMgdmlydHVhbCBhZGRyZXNzZXMgZnJvbSBiZWluZyBmcmVlZCBhbmQgcG9zc2libHkg cmV1c2VkIGJ5IHNvbWV0aGluZyBlbHNlLiBBc2lkZSBmcm9tIHRoZSBwdGhyZWFkX2JhcnJpZXJf d2FpdCB0aGluZyAod2hpY2ggbWlnaHQgYmUgYnVnZ3k7IHRoZXJlJ3MgYSByZWNlbnQgcG9zdCB0 byB0aGUgbGlzdCBhYm91dCB0aGF0KSB0aGUgYmlnIHVzZXIgaXMgcHJvY2Vzcy1zaGFyZWQgcm9i dXN0IG11dGV4ZXM6DQoNClRoZSBmdXRleCBhZGRyZXNzIGlzIHB1dCBvbiBhIHBlbmRpbmcgc2xv dCBpbiB0aGUgcm9idXN0IGxpc3Qgc3RydWN0dXJlIHNoYXJlZCB3aXRoIHRoZSBrZXJuZWwgd2hp bGUgaXQncyBiZWluZyB1bmxvY2tlZC4gQXQgdGhhdCBtb21lbnQsIGl0J3MgcG9zc2libGUgZm9y IGFub3RoZXIgdGhyZWFkIHRvIG9idGFpbiB0aGUgbXV0ZXgsIHJlbGVhc2UgaXQsIGRlc3Ryb3kg aXQsIGZyZWUgdGhlIG1lbW9yeSwgYW5kIG1hcCBzb21lIG90aGVyIHNoYXJlZCBtZW1vcnkgaW4g aXRzIHBsYWNlLiBJZiB0aGUgcHJvY2VzcyBpcyBraWxsZWQgYXQgdGhlIHNhbWUgdGltZSwgYW5k IHRoZSBuZXdseS1tYXBwZWQgc2hhcmVkIG1lbW9yeSBoYXBwZW5zIHRvIGNvbnRhaW4gdGhlIHRp ZCBvZiB0aGUgcHJldmlvdXMgb3duZXIgdGhyZWFkIGF0IHRoYXQgbG9jYXRpb24sIHRoZSBrZXJu ZWwgd2lsbCBjbG9iYmVyIHRoYXQgYXMgcGFydCBvZiB0aGUgZXhpdGluZyBwcm9jZXNzIGNsZWFu dXAuIFRoaXMgY291bGQgYmUgYSBtYXAgb2YgYSBmaWxlIG9uIGRpc2ssIG1lYW5pbmcgaXQncyBh IHBvdGVudGlhbCBkaXNrIGNvcnJ1cHRpb24gYnVnLg0KDQpUaGlzIGlzIGZ1bmRhbWVudGFsbHkg YSBkZXNpZ24gZmxhdyBpbiB0aGUgd2hvbGUgd2F5IExpbnV4IHJvYnVzdCBtdXRleCBwcm90b2Nv bCB3b3JrcywgYnV0IGl0J3MgdW5maXhhYmxlLiBTbyBhbGwgd2UgY2FuIGRvIGlzIHRha2UgYSB2 ZXJ5IGhlYXZ5IGxvY2sgdG8gcHJldmVudCB0aGUgc2l0dWF0aW9uIGZyb20gYXJpc2luZy4NCg0K Tm90ZSB0aGF0LCBmb3IgbXVzbCwgdGhpcyBhcHBsaWVzIHRvIG5vbi1yb2J1c3QgcHJvY2Vzcy1z aGFyZWQgbXV0ZXhlcyB0b28gc2luY2Ugd2UgdXNlIHRoZSByb2J1c3QgbGlzdCBmb3IgaW1wbGVt ZW50aW5nIHBlcm1hbmVudGx5IHVub2J0YWluYWJsZSBzdGF0ZSB3aGVuIHRoZSBvd25lciBleGl0 cyB3aXRob3V0IHVubG9ja2luZyB0aGUgbXV0ZXguDQooZ2xpYmMgZG9lc24ndCBkbyB0aGlzIGJl Y2F1c2UgaXQgaWdub3JlcyB0aGUgUE9TSVggcmVxdWlyZW1lbnQgYW5kIGxldHMgYSBmdXR1cmUg dGhyZWFkIHRoYXQgaGFwcGVucyB0byBnZXQgdGhlIHNhbWUgVElEIG9idGFpbiBmYWxzZQ0Kb3du ZXJzaGlwLikNCg0KVGhlIG9wZXJhdGlvbnMgd2hpY2ggYXJlIGJsb2NrZWQgYnkgdGhlIHZtIGxv Y2sgYXJlIGFueXRoaW5nIHdoaWNoIHVubWFwcyBtZW1vcnkgKGluY2x1ZGluZyBNQVBfRklYRUQg b3ZlciBvdGhlciBtZW1vcnkpLCBhcyB3ZWxsIGFzIHRoZSBwdGhyZWFkX211dGV4X2Rlc3Ryb3kg b3BlcmF0aW9uIChzaW5jZSBpdCBtaWdodCBhbGxvdyB0aGUgbWVtb3J5IGluIGEgc2hhcmVkIG1h cCB0byBiZSByZXVzZWQgZm9yIHNvbWV0aGluZyBlbHNlIHRvbykuDQoNCkRvZXMgdGhpcyBleHBs YW5hdGlvbiBoZWxwPw0KDQpSaWNoDQo=