RE: [PATCH V7 1/3] genalloc:support memory-allocation with bytes-alignment to genalloc
From: Zhao Qiang <hidden>
Date: 2015-09-06 03:13:19
Also in:
lkml
T24gV2VkLCAyMDE1LTA5LTAyIGF0IDEwOjE4QU0gKzA4MDAsIFdvb2QgU2NvdHQtQjA3NDIxIHdy b3RlOg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBXb29kIFNjb3R0LUIw NzQyMQ0KPiBTZW50OiBXZWRuZXNkYXksIFNlcHRlbWJlciAwMiwgMjAxNSAxMDoxOCBBTQ0KPiBU bzogWmhhbyBRaWFuZy1CNDU0NzUNCj4gQ2M6IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7 IGxpbnV4cHBjLWRldkBsaXN0cy5vemxhYnMub3JnOw0KPiBsYXVyYWFAY29kZWF1cm9yYS5vcmc7 IFhpZSBYaWFvYm8tUjYzMDYxOyBiZW5oQGtlcm5lbC5jcmFzaGluZy5vcmc7IExpDQo+IFlhbmct TGVvLVI1ODQ3MjsgcGF1bHVzQHNhbWJhLm9yZw0KPiBTdWJqZWN0OiBSZTogW1BBVENIIFY3IDEv M10gZ2VuYWxsb2M6c3VwcG9ydCBtZW1vcnktYWxsb2NhdGlvbiB3aXRoDQo+IGJ5dGVzLWFsaWdu bWVudCB0byBnZW5hbGxvYw0KPiANCj4gT24gVHVlLCAyMDE1LTA5LTAxIGF0IDIxOjEwIC0wNTAw LCBaaGFvIFFpYW5nLUI0NTQ3NSB3cm90ZToNCj4gPiBPbiBXZWQsIDIwMTUtMDktMDIgYXQgMDg6 MzhBTSArMDgwMCwgV29vZCBTY290dC1CMDc0MjEgd3JvdGU6DQo+ID4gPiAtLS0tLU9yaWdpbmFs IE1lc3NhZ2UtLS0tLQ0KPiA+ID4gRnJvbTogV29vZCBTY290dC1CMDc0MjENCj4gPiA+IFNlbnQ6 IFdlZG5lc2RheSwgU2VwdGVtYmVyIDAyLCAyMDE1IDg6MzAgQU0NCj4gPiA+IFRvOiBaaGFvIFFp YW5nLUI0NTQ3NQ0KPiA+ID4gQ2M6IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7IGxpbnV4 cHBjLWRldkBsaXN0cy5vemxhYnMub3JnOw0KPiA+ID4gbGF1cmFhQGNvZGVhdXJvcmEub3JnOyBY aWUgWGlhb2JvLVI2MzA2MTsgYmVuaEBrZXJuZWwuY3Jhc2hpbmcub3JnOw0KPiA+ID4gTGkgWWFu Zy1MZW8tUjU4NDcyOyBwYXVsdXNAc2FtYmEub3JnDQo+ID4gPiBTdWJqZWN0OiBSZTogW1BBVENI IFY3IDEvM10gZ2VuYWxsb2M6c3VwcG9ydCBtZW1vcnktYWxsb2NhdGlvbiB3aXRoDQo+ID4gPiBi eXRlcy1hbGlnbm1lbnQgdG8gZ2VuYWxsb2MNCj4gPiA+DQo+ID4gPiBPbiBNb24sIDIwMTUtMDgt MzEgYXQgMTY6NTggKzA4MDAsIFpoYW8gUWlhbmcgd3JvdGU6DQo+ID4gPiA+IEJ5dGVzIGFsaWdu bWVudCBpcyByZXF1aXJlZCB0byBtYW5hZ2Ugc29tZSBzcGVjaWFsIFJBTSwgc28gYWRkDQo+ID4g PiA+IGdlbl9wb29sX2ZpcnN0X2ZpdF9hbGlnbiB0byBnZW5hbGxvYywgbWVhbndoaWxlIGFkZA0K PiA+ID4gPiBnZW5fcG9vbF9hbGxvY19kYXRhIHRvIHBhc3MgZGF0YSB0bw0KPiA+ID4gPiBnZW5f cG9vbF9maXJzdF9maXRfYWxpZ24obW9kaWZ5IGdlbl9wb29sX2FsbG9jIGFzIGEgd3JhcHBlcikN Cj4gPiA+ID4NCj4gPiA+ID4gU2lnbmVkLW9mZi1ieTogWmhhbyBRaWFuZyA8cWlhbmcuemhhb0Bm cmVlc2NhbGUuY29tPg0KPiA+ID4gPiAtLS0NCj4gPiA+ID4gQ2hhbmdlcyBmb3IgdjY6DQo+ID4g PiA+ICAgICAgIC0gcGF0Y2hlcyBzZXQgdjYgaW5jbHVkZSBhIG5ldyBwYXRjaCBiZWNhdXNlIG9m IHVzaW5nDQo+ID4gPiA+ICAgICAgIC0gZ2VuYWxsb2MgdG8gbWFuYWdlIFFFIE1VUkFNLCBwYXRj aCAwMDAxIGlzIHRoZSBuZXcNCj4gPiA+ID4gICAgICAgLSBwYXRjaCwgYWRkaW5nIGJ5dGVzIGFs aWdubWVudCBmb3IgYWxsb2NhdGlvbiBmb3IgdXNlLg0KPiA+ID4gPiBDaGFuZ2VzIGZvciB2NzoN Cj4gPiA+ID4gICAgICAgLSBjcG0gbXVyYW0gYWxzbyBuZWVkIHRvIHVzZSBnZW5hbGxvYyB0byBt YW5hZ2UsIGl0IGhhcw0KPiA+ID4gPiAgICAgICAgIGEgZnVuY3Rpb24gdG8gcmVzZXJ2ZSBhIHNw ZWNpZmljIHJlZ2lvbiBvZiBtdXJhbSwNCj4gPiA+ID4gICAgICAgICBhZGQgb2Zmc2V0IHRvIGdl bnBvb2xfZGF0YSBmb3Igc3RhcnQgYWRkciB0byBiZSBhbGxvY2F0ZWQuDQo+ID4gPg0KPiA+ID4g VGhpcyBzZWVtcyB0byBiZSBkZXNjcmliaW5nIG1vcmUgdGhhbiBqdXN0IHRoZSBjaGFuZ2VzIGlu IHRoaXMgcGF0Y2guDQo+ID4gPiBXaGF0IGRvZXMgYWxzbyBoYW5kbGluZyBjcG0gaGF2ZSB0byBk byB3aXRoIHRoaXMgcGF0Y2g/ICBBcmUgeW91DQo+ID4gPiBhZGRpbmcgc3VwcG9ydCBmb3IgcmVz ZXJ2aW5nIGEgc3BlY2lmaWMgcmVnaW9uIGluIHRoaXMgcGF0Y2g/ICBJDQo+ID4gPiBkb24ndCBz ZWUgaXQsIGFuZCBpbiBhbnkgY2FzZSBpdCBzaG91bGQgZ28gaW4gYSBkaWZmZXJlbnQgcGF0Y2gu DQo+ID4NCj4gPiBZZXMsIEkgYWRkZWQuIFRoZSBjb2RlIGJlbG93IGNhbiBzdXBwb3J0IHRoZSBm dW5jdGlvbi4NCj4gPiAgICAgICBvZmZzZXRfYml0ID0gKGFsaWdubWVudC0+b2Zmc2V0ICsgKDFV TCA8PCBvcmRlcikgLSAxKSA+PiBvcmRlcjsNCj4gPiAgICAgICByZXR1cm4gYml0bWFwX2ZpbmRf bmV4dF96ZXJvX2FyZWEobWFwLCBzaXplLCBzdGFydCArIG9mZnNldF9iaXQsDQo+IG5yLA0KPiA+ ICAgICAgICAgICAgICAgICAgICAgICAgIGFsaWduX21hc2spOw0KPiA+DQo+ID4gQ1BNIGhhcyBh biBmdW5jdGlvbiBjcG1fbXVyYW1fYWxsb2NfZml4ZWQsIG5lZWRpbmcgdG8gYWxsb2NhdGUgbXVy YW0NCj4gPiBmcm9tIGEgU3BlY2lmaWMgb2Zmc2V0LiBTbyBJIGFkZCB0aGUgY29kZSBhbmQgYWRk IG9mZnNldCB0byBzdHJ1Y3QgZGF0YS4NCj4gDQo+IEkgdGhvdWdodCB0aGUgb2Zmc2V0IHdhcyBy ZWxhdGVkIHRvIHRoZSBwcmV2aW91cyBkaXNjdXNzaW9uIG9mIGNoZWNraW5nDQo+IGZvciBhbGxv Y2F0aW9uIGZhaWx1cmUuICBBcmUgeW91IHVzaW5nIGl0IHRvIGltcGxlbWVudCBhbGxvY19maXhl ZCgpPyAgSWYNCj4gc28sIHBsZWFzZSBkb24ndC4gIEJlc2lkZXMgdGhlIGF3a3dhcmQgaW1wbGVt ZW50YXRpb24gKHdoYXQgZG9lcyBpdA0KPiBsb2dpY2FsbHkgaGF2ZSB0byBkbyB3aXRoIGdlbl9w b29sX2ZpcnN0X2ZpdF9hbGlnbj8pLCBpdCBkb2VzIG5vdCBhcHBlYXINCj4gdG8gYmUgY29ycmVj dCAtDQo+IC0gd2hhdCBoYXBwZW5zIHdpdGggbXVsdGlwbGUgY2h1bmtzPyAgV2hhdCBoYXBwZW5z IGlmIHBhcnQgb2YgdGhlIHJlZ2lvbg0KPiB0aGUgY2FsbGVyIGlzIHRyeWluZyB0byByZXNlcnZl IGlzIGFscmVhZHkgdGFrZW4/ICBJbXBsZW1lbnQgYSBwcm9wZXINCj4gZnVuY3Rpb24gdG8gcmVz ZXJ2ZSBhIGZpeGVkIGdlbmFsbG9jIHJlZ2lvbi4NCj4gDQpUaGUgb2Zmc2V0IGlzIHdoaWNoIGFs bG9jYXRpb24gYmxvY2sgYWRkcmVzcyBuZWVkIHRvIGJlIGxhcmdlciB0aGFuLCANCk5vdCBlcXVh bCB0bywgaXQgcmVhbGx5IGxpa2UgdGhlIHBhcmFtZXRlciBzdGFydCBvZiB0aGUgYWxnbyh0aGUg Yml0bnVtYmVyDQpUbyBzdGFydCBzZWFyY2hpbmcgYXQpLg0KDQo+IA0KPiA+ID4gPiArLyoNCj4g PiA+ID4gKyAqICBnZW5fcG9vbCBkYXRhIGRlc2NyaXB0b3IgZm9yIGdlbl9wb29sX2ZpcnN0X2Zp dF9hbGlnbi4NCj4gPiA+ID4gKyAqLw0KPiA+ID4gPiArc3RydWN0IGdlbnBvb2xfZGF0YV9hbGln biB7DQo+ID4gPiA+ICsgICAgIGludCBhbGlnbjsgICAgICAgICAgICAgIC8qIGFsaWdubWVudCBi eSBieXRlcyBmb3Igc3RhcnRpbmcNCj4gPiA+IGFkZHJlc3MgKi8NCj4gPiA+ID4gKyAgICAgdW5z aWduZWQgbG9uZyBvZmZzZXQ7ICAgLyogdGhlIG9mZnNldCBvZiBhbGxvY2F0aW9uIHN0YXJ0DQo+ IGFkZHIqLw0KPiA+ID4gPiArfTsNCj4gPiA+DQo+IA0KPiAtU2NvdHQNCj4gDQotWmhhbw0K