From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Koenig, Christian" Subject: Re: [RFC PATCH v2 4/5] drm, cgroup: Add total GEM buffer allocation limit Date: Thu, 16 May 2019 07:16:48 +0000 Message-ID: <7db2caae-7eab-7c6a-fe90-89cb9cae30b4@amd.com> References: <20181120185814.13362-1-Kenny.Ho@amd.com> <20190509210410.5471-1-Kenny.Ho@amd.com> <20190509210410.5471-5-Kenny.Ho@amd.com> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <622421720930CA4F9D89C1B1175532DB-asWib9pRmPqcE4WynfumptQqCkab/8FMAL8bYrjMMd8@public.gmane.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" Content-Type: text/plain; charset="us-ascii" To: Kenny Ho , "Welty, Brian" Cc: "sunnanyong-hv44wF8Li93QT0dZR+AlfA@public.gmane.org" , "Ho, Kenny" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "Deucher, Alexander" , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , Tejun Heo , "cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" QW0gMTYuMDUuMTkgdW0gMDQ6Mjkgc2NocmllYiBLZW5ueSBIbzoNCj4gW0NBVVRJT046IEV4dGVy bmFsIEVtYWlsXQ0KPg0KPiBPbiBXZWQsIE1heSAxNSwgMjAxOSBhdCA1OjI2IFBNIFdlbHR5LCBC cmlhbiA8YnJpYW4ud2VsdHlAaW50ZWwuY29tPiB3cm90ZToNCj4+IE9uIDUvOS8yMDE5IDI6MDQg UE0sIEtlbm55IEhvIHdyb3RlOg0KPj4+IFRoZXJlIGFyZSBmb3VyIGNvbnRyb2wgZmlsZSB0eXBl cywNCj4+PiBzdGF0cyAocm8pIC0gZGlzcGxheSBjdXJyZW50IG1lYXN1cmVkIHZhbHVlcyBmb3Ig YSByZXNvdXJjZQ0KPj4+IG1heCAocncpIC0gbGltaXRzIGZvciBhIHJlc291cmNlDQo+Pj4gZGVm YXVsdCAocm8sIHJvb3QgY2dyb3VwIG9ubHkpIC0gZGVmYXVsdCB2YWx1ZXMgZm9yIGEgcmVzb3Vy Y2UNCj4+PiBoZWxwIChybywgcm9vdCBjZ3JvdXAgb25seSkgLSBoZWxwIHN0cmluZyBmb3IgYSBy ZXNvdXJjZQ0KPj4+DQo+Pj4gRWFjaCBmaWxlIGlzIG11bHRpLWxpbmVkIHdpdGggb25lIGVudHJ5 L2xpbmUgcGVyIGRybSBkZXZpY2UuDQo+PiBNdWx0aS1saW5lIGlzIGNvcnJlY3QgZm9yIG11bHRp cGxlIGRldmljZXMsIGJ1dCBJIGJlbGlldmUgeW91IG5lZWQNCj4+IHRvIHVzZSBhIEtFWSB0byBk ZW5vdGUgZGV2aWNlIGZvciBib3RoIHlvdXIgc2V0IGFuZCBnZXQgcm91dGluZXMuDQo+PiBJIGRp ZG4ndCBzZWUgeW91ciBzZXQgZnVuY3Rpb25zIHJlYWRpbmcgYSBrZXksIG9yIHRoZSBnZXQgZnVu Y3Rpb25zDQo+PiBwcmludGluZyB0aGUga2V5IGluIG91dHB1dC4NCj4+IGNncm91cHMtdjIgY29u dmVudGlvbnMgbWVudGlvbiB1c2luZyBLRVkgb2YgbWFqb3I6bWlub3IsIGJ1dCBJIHRoaW5rDQo+ PiB5b3UgY2FuIHVzZSBkcm1fbWlub3IgYXMga2V5Pw0KPiBHaXZlbiB0aGlzIGNvbnRyb2xsZXIg aXMgc3BlY2lmaWMgdG8gdGhlIGRybSBrZXJuZWwgc3Vic3lzdGVtIHdoaWNoDQo+IHVzZXMgbWlu b3IgdG8gaWRlbnRpZnkgZHJtIGRldmljZSwNCg0KV2FpdCBhIHNlY29uZCwgdXNpbmcgdGhlIERS TSBtaW5vciBpcyBhIGdvb2QgaWRlYSBpbiB0aGUgZmlyc3QgcGxhY2UuDQoNCkkgaGF2ZSBhIHRl c3Qgc3lzdGVtIHdpdGggYSBWZWdhMTAgYW5kIGEgVmVnYTIwLiBXaGljaCBkZXZpY2UgZ2V0cyB3 aGljaCANCm1pbm9yIGlzIG5vdCBzdGFibGUsIGJ1dCByYXRoZXIgZGVmaW5lZCBieSB0aGUgc2Nh biBvcmRlciBvZiB0aGUgUENJZSBidXMuDQoNCk5vcm1hbGx5IHRoZSBzY2FuIG9yZGVyIGlzIGFs d2F5cyB0aGUgc2FtZSwgYnV0IGFkZGluZyBvciByZW1vdmluZyANCmRldmljZXMgb3IgZGVsYXlp bmcgdGhpbmdzIGp1c3QgYSBsaXR0bGUgYml0IGR1cmluZyBpbml0IGlzIGVub3VnaCB0byANCmNo YW5nZSB0aGlzLg0KDQpXZSBuZWVkIHNvbWV0aGluZyBsaWtlIHRoZSBMaW51eCBzeXNmcyBsb2Nh dGlvbiBvciBzaW1pbGFyIHRvIGhhdmUgYSANCnN0YWJsZSBpbXBsZW1lbnRhdGlvbi4NCg0KUmVn YXJkcywNCkNocmlzdGlhbi4NCg0KPiAgIEkgZG9uJ3Qgc2VlIGEgbmVlZCB0byBjb21wbGljYXRl DQo+IHRoZSBpbnRlcmZhY2VzIG1vcmUgYnkgaGF2aW5nIG1ham9yIGFuZCBhIGtleS4gIEFzIHlv dSBjYW4gc2VlIGluIHRoZQ0KPiBleGFtcGxlcyBiZWxvdywgdGhlIGRybSBkZXZpY2UgbWlub3Ig Y29ycmVzcG9uZHMgdG8gdGhlIGxpbmUgbnVtYmVyLg0KPiBJIGFtIG5vdCBzdXJlIGhvdyBzdHJp Y3QgY2dyb3VwIHVwc3RyZWFtIGlzIGFib3V0IHRoZSBjb252ZW50aW9uIGJ1dCBJDQo+IGFtIGhv cGluZyB0aGVyZSBhcmUgZmxleGliaWxpdHkgaGVyZSB0byBhbGxvdyBmb3Igd2hhdCBJIGhhdmUN Cj4gaW1wbGVtZW50ZWQuICBUaGVyZSBhcmUgYSBjb3VwbGUgb2Ygb3RoZXIgdGhpbmdzIEkgaGF2 ZSBkb25lIHRoYXQgaXMNCj4gbm90IGRlc2NyaWJlZCBpbiB0aGUgY29udmVudGlvbjogMSkgaW5j bHVzaW9uIG9mIHJlYWQtb25seSAqLmhlbHAgZmlsZQ0KPiBhdCB0aGUgcm9vdCBjZ3JvdXAsIDIp IHVzZSByZWFkLW9ubHkgKHdoaWNoIEkgY2FuIHBvdGVudGlhbGx5IG1ha2UgcncpDQo+ICouZGVm YXVsdCBmaWxlIGluc3RlYWQgb2YgaGF2aW5nIGEgZGVmYXVsdCBlbnRyaWVzIChzaW5jZSB0aGUg ZGVmYXVsdA0KPiBjYW4gYmUgZGlmZmVyZW50IGZvciBkaWZmZXJlbnQgZGV2aWNlcykgaW5zaWRl IHRoZSBjb250cm9sIGZpbGVzICh0aGlzDQo+IHdheSwgdGhlIHJlc2V0dGluZyBvZiBjZ3JvdXAg dmFsdWVzIGZvciBhbGwgdGhlIGRybSBkZXZpY2VzLCBjYW4gYmUNCj4gZG9uZSBieSBhIHNpbXBs ZSAnY3AnLikNCj4NCj4+PiBVc2FnZSBleGFtcGxlczoNCj4+PiAvLyBzZXQgbGltaXQgZm9yIGNh cmQxIHRvIDFHQg0KPj4+IHNlZCAtaSAnMnMvLiovMTA3Mzc0MTgyNC8nIC9zeXMvZnMvY2dyb3Vw LzxjZ3JvdXA+L2RybS5idWZmZXIudG90YWwubWF4DQo+Pj4NCj4+PiAvLyBzZXQgbGltaXQgZm9y IGNhcmQwIHRvIDUxMk1CDQo+Pj4gc2VkIC1pICcxcy8uKi81MzY4NzA5MTIvJyAvc3lzL2ZzL2Nn cm91cC88Y2dyb3VwPi9kcm0uYnVmZmVyLnRvdGFsLm1heA0KPg0KPj4+ICAgLyoqIEBmaWxlIGRy bV9nZW0uYw0KPj4+IEBAIC0xNTQsNiArMTU2LDkgQEAgdm9pZCBkcm1fZ2VtX3ByaXZhdGVfb2Jq ZWN0X2luaXQoc3RydWN0IGRybV9kZXZpY2UgKmRldiwNCj4+PiAgICAgICAgb2JqLT5oYW5kbGVf Y291bnQgPSAwOw0KPj4+ICAgICAgICBvYmotPnNpemUgPSBzaXplOw0KPj4+ICAgICAgICBkcm1f dm1hX25vZGVfcmVzZXQoJm9iai0+dm1hX25vZGUpOw0KPj4+ICsNCj4+PiArICAgICBvYmotPmRy bWNncnAgPSBnZXRfZHJtY2dycChjdXJyZW50KTsNCj4+PiArICAgICBkcm1jZ3JwX2NoZ19ib19h bGxvYyhvYmotPmRybWNncnAsIGRldiwgc2l6ZSk7DQo+PiBXaHkgZG8gdGhlIGNoYXJnaW5nIGhl cmU/DQo+PiBUaGVyZSBpcyBubyBiYWNraW5nIHN0b3JlIHlldCBmb3IgdGhlIGJ1ZmZlciwgc28g dGhpcyBpcyByZWFsbHkgdHJhY2tpbmcgc29tZXRoaW5nIGFraW4gdG8gYWxsb3dlZCB2aXJ0dWFs IG1lbW9yeSBmb3IgR0VNIG9iamVjdHM/DQo+PiBJcyB0aGlzIHJlYWxseSB1c2VmdWwgZm9yIGFu IGFkbWluaXN0cmF0b3IgdG8gY29udHJvbD8NCj4+IElzbid0IHRoZSByZXNvdXJjZSB3ZSB3YW50 IHRvIGNvbnRyb2wgYWN0dWFsbHkgdGhlIHBoeXNpY2FsIGJhY2tpbmcgc3RvcmU/DQo+IFRoYXQn cyBjb3JyZWN0LiAgVGhpcyBpcyBqdXN0IHRoZSBmaXJzdCBsZXZlbCBvZiBjb250cm9sIHNpbmNl IHRoZQ0KPiBiYWNraW5nIHN0b3JlIGNhbiBiZSBiYWNrZWQgYnkgZGlmZmVyZW50IHR5cGUgb2Yg bWVtb3J5LiAgSSBhbSBpbiB0aGUNCj4gcHJvY2VzcyBvZiBhZGRpbmcgYXQgbGVhc3QgdHdvIG1v cmUgcmVzb3VyY2VzLiAgU3RheSB0dW5lZC4gIEkgYW0NCj4gZG9pbmcgdGhlIGNoYXJnZSBoZXJl IHRvIGVuZm9yY2UgdGhlIGlkZWEgb2YgImNyZWF0b3IgaXMgZGVlbWVkIG93bmVyIg0KPiBhdCBh IHBsYWNlIHdoZXJlIHRoZSBjb2RlIGlzIHNoYXJlZCBieSBhbGwgKHRoZSBpbml0IGZ1bmN0aW9u LikNCj4NCj4+PiArICAgICB3aGlsZSAoaSA8PSBtYXhfbWlub3IgJiYgbGltaXRzICE9IE5VTEwp IHsNCj4+PiArICAgICAgICAgICAgIHN2YWwgPSAgc3Ryc2VwKCZsaW1pdHMsICJcbiIpOw0KPj4+ ICsgICAgICAgICAgICAgcmMgPSBrc3RydG9sbChzdmFsLCAwLCAmdmFsKTsNCj4+IElucHV0IHNo b3VsZCBiZSAiS0VZIFZBTFVFIiwgc28gS0VZIHdpbGwgZGV0ZXJtaW5lIGRldmljZSB0byBhcHBs eSB0aGlzIHRvLg0KPj4gQWxzbywgcGVyIGNncm91cHMtdjIgZG9jdW1lbnRhdGlvbiBvZiBsaW1p dHMsIEkgYmVsaWV2ZSBuZWVkIHRvIHBhcnNlIGFuZCBoYW5kbGUgdGhlIHNwZWNpYWwgIm1heCIg aW5wdXQgdmFsdWUuDQo+Pg0KPj4gcGFyc2VfcmVzb3VyY2VzKCkgaW4gcmRtYSBjb250cm9sbGVy IGlzIGV4YW1wbGUgZm9yIGJvdGggb2YgYWJvdmUuDQo+IFBsZWFzZSBzZWUgbXkgcHJldmlvdXMg cmVwbHkgZm9yIHRoZSByYXRpb25hbGUgb2YgbXkgaG9wZSB0byBub3QgbmVlZA0KPiBhIGtleS4g IEkgY2FuIGNlcnRhaW5seSBhZGQgaGFuZGxpbmcgb2YgIm1heCIgYW5kICJkZWZhdWx0Ii4NCj4N Cj4NCj4+PiArdm9pZCBkcm1jZ3JwX2NoZ19ib19hbGxvYyhzdHJ1Y3QgZHJtY2dycCAqZHJtY2dy cCwgc3RydWN0IGRybV9kZXZpY2UgKmRldiwNCj4+PiArICAgICAgICAgICAgIHNpemVfdCBzaXpl KQ0KPj4gU2hvdWxkbid0IHRoaXMgcmV0dXJuIGFuIGVycm9yIGFuZCBiZSBpbXBsZW1lbnRlZCB3 aXRoIHNhbWUgc2VtYW50aWNzIGFzIHRoZQ0KPj4gdHJ5X2NoYXJnZSgpIGZ1bmN0aW9ucyBvZiBv dGhlciBjb250cm9sbGVycz8NCj4+IEJlbG93IHdpbGwgYWxsb3cgc3RhdHNfdG90YWxfYWxsb2Nh dGVkIHRvIG92ZXJydW4gbGltaXRzX3RvdGFsX2FsbG9jYXRlZC4NCj4gVGhpcyBpcyBiZWNhdXNl IEkgYW0gY2hhcmdpbmcgdGhlIGJ1ZmZlciBhdCB0aGUgaW5pdCBvZiB0aGUgYnVmZmVyDQo+IHdo aWNoIGRvZXMgbm90IGZhaWwgc28gdGhlICJ0cnkiIChkcm1jZ3JwX2JvX2Nhbl9hbGxvY2F0ZSkg aXMgc2VwYXJhdGUNCj4gYW5kIHBsYWNlZCBlYXJsaWVyIGFuZCBuZWFyZXIgb3RoZXIgY29uZGl0 aW9uIHdoZXJlIGdlbSBvYmplY3QNCj4gYWxsb2NhdGlvbiBtYXkgZmFpbC4gIEluIG90aGVyIHdv cmRzLCB0aGVyZSBhcmUgbXVsdGlwbGUgcG9zc2liaWxpdGllcw0KPiBmb3Igd2hpY2ggZ2VtIGFs bG9jYXRpb24gbWF5IGZhaWwgKGNncm91cCBsaW1pdCBiZWluZyBvbmUgb2YgdGhlbSkgYW5kDQo+ IHNhdGlzZnlpbmcgY2dyb3VwIGxpbWl0IGRvZXMgbm90IG1lYW4gYSBjaGFyZ2UgaXMgbmVlZGVk LiAgSSBjYW4NCj4gY2VydGFpbmx5IGNvbWJpbmUgdGhlIHR3byBmdW5jdGlvbnMgdG8gaGF2ZSBh biBhZGRpdGlvbmFsIHRyeV9jaGFyZ2UNCj4gc2VtYW50aWMgYXMgd2VsbCBpZiB0aGF0IGlzIHJl YWxseSBuZWVkZWQuDQo+DQo+IFJlZ2FyZHMsDQo+IEtlbm55DQoNCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vYW1kLWdmeA==