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Fri, 11 Jun 2021 12:55:27 +0000 Received: from EX13D18EUC002.ant.amazon.com ([10.43.164.50]) by EX13D18EUC002.ant.amazon.com ([10.43.164.50]) with mapi id 15.00.1497.018; Fri, 11 Jun 2021 12:55:27 +0000 From: "Shah, Amit" To: "sj38.park@gmail.com" , "akpm@linux-foundation.org" CC: "david@redhat.com" , "rientjes@google.com" , "acme@kernel.org" , "snu@amazon.de" , "peterz@infradead.org" , "minchan@kernel.org" , "vdavydov.dev@gmail.com" , "linux-damon@amazon.com" , "zgf574564920@gmail.com" , "vbabka@suse.cz" , "linux-mm@kvack.org" , "fan.du@intel.com" , "Park, Seongjae" , "amit@kernel.org" , "gthelen@google.com" , "linux-doc@vger.kernel.org" , "shuah@kernel.org" , "Foerster, Leonard" , "guoju.fgj@alibaba-inc.com" , "benh@kernel.crashing.org" , "shakeelb@google.com" , "Woodhouse, David" , "greg@kroah.com" , "alexander.shishkin@linux.intel.com" , "rppt@kernel.org" , "mgorman@suse.de" , "Jonathan.Cameron@Huawei.com" , "mingo@redhat.com" , "brendanhiggins@google.com" , "corbet@lwn.net" , "namhyung@kernel.org" , "rostedt@goodmis.org" , "elver@google.com" , "riel@surriel.com" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v29 04/13] mm/idle_page_tracking: Make PG_idle reusable Thread-Topic: [PATCH v29 04/13] mm/idle_page_tracking: Make PG_idle reusable Thread-Index: AQHXTU3EfT2+O9xDt0CAVETbPjCp+asO530A Date: Fri, 11 Jun 2021 12:55:27 +0000 Message-ID: References: <20210520075629.4332-1-sj38.park@gmail.com> <20210520075629.4332-5-sj38.park@gmail.com> In-Reply-To: <20210520075629.4332-5-sj38.park@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.165.35] Content-Type: text/plain; charset="utf-8" Content-ID: <9EB8B591EDE18448A170B6951C66C786@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDIxLTA1LTIwIGF0IDA3OjU2ICswMDAwLCBTZW9uZ0phZSBQYXJrIHdyb3RlOg0K PiBGcm9tOiBTZW9uZ0phZSBQYXJrIDxzanBhcmtAYW1hem9uLmRlPg0KPiANCj4gUEdfaWRsZSBh bmQgUEdfeW91bmcgYWxsb3cgdGhlIHR3byBQVEUgQWNjZXNzZWQgYml0IHVzZXJzLCBJZGxlIFBh Z2UNCj4gVHJhY2tpbmcgYW5kIHRoZSByZWNsYWltIGxvZ2ljIGNvbmN1cnJlbnRseSB3b3JrIHdo aWxlIGRvbid0IGludGVyZmVyZQ0KDQouLi4gd2hpbGUgbm90IGludGVyZmVyaW5nIHdpdGggLi4u DQoNCj4gZWFjaCBvdGhlci4gIFRoYXQgaXMsIHdoZW4gdGhleSBuZWVkIHRvIGNsZWFyIHRoZSBB Y2Nlc3NlZCBiaXQsIHRoZXkgc2V0DQo+IFBHX3lvdW5nIHRvIHJlcHJlc2VudCB0aGUgcHJldmlv dXMgc3RhdGUgb2YgdGhlIGJpdCwgcmVzcGVjdGl2ZWx5LiAgQW5kDQo+IHdoZW4gdGhleSBuZWVk IHRvIHJlYWQgdGhlIGJpdCwgaWYgdGhlIGJpdCBpcyBjbGVhcmVkLCB0aGV5IGZ1cnRoZXIgcmVh ZA0KPiB0aGUgUEdfeW91bmcgdG8ga25vdyB3aGV0aGVyIHRoZSBvdGhlciBoYXMgY2xlYXJlZCB0 aGUgYml0IG1lYW53aGlsZSBvcg0KPiBub3QuDQo+IA0KPiBXZSBjb3VsZCBhZGQgYW5vdGhlciBw YWdlIGZsYWcgYW5kIGV4dGVuZCB0aGUgbWVjaGFuaXNtIHRvIHVzZSB0aGUgZmxhZw0KPiBpZiB3 ZSBuZWVkIHRvIGFkZCBhbm90aGVyIGNvbmN1cnJlbnQgUFRFIEFjY2Vzc2VkIGJpdCB1c2VyIHN1 YnN5c3RlbS4NCj4gSG93ZXZlciwgdGhlIHNwYWNlIGlzIGxpbWl0ZWQuICBNZWFud2hpbGUsIGlm IHRoZSBuZXcgc3Vic3lzdGVtIGlzDQo+IG11dHVhbGx5IGV4Y2x1c2l2ZSB3aXRoIElETEVfUEFH RV9UUkFDS0lORyBvciBpbnRlcmZlcmluZyB3aXRoIGl0IGlzIG5vdA0KPiBhIHJlYWwgcHJvYmxl bSwgaXQgd291bGQgYmUgb2sgdG8gc2ltcGx5IHJldXNlIHRoZSBQR19pZGxlIGZsYWcuDQo+IEhv d2V2ZXIsIGl0J3MgaW1wb3NzaWJsZSBiZWNhdXNlIHRoZSBmbGFncyBhcmUgZGVwZW5kZW50IG9u DQo+IElETEVfUEFHRV9UUkFDS0lORy4NCg0KRm9yIGJldHRlciByZWFkYWJpbGl0eSwgSSBzdWdn ZXN0Og0KDQpGb3IgeWV0IGFub3RoZXIgdXNlciBvZiB0aGUgUFRFIEFjY2Vzc2VkIGJpdCwgd2Ug Y291bGQgYWRkIGFub3RoZXIgcGFnZQ0KZmxhZywgb3IgZXh0ZW5kIHRoZSBtZWNoYW5pc20gdG8g dXNlIHRoZSBmbGFncy4gRm9yIHRoZSBEQU1PTiB1c2VjYXNlLA0KaG93ZXZlciwgd2UgZG9uJ3Qg bmVlZCB0byBkbyB0aGF0IGp1c3QgeWV0LiAgSURMRV9QQUdFX1RSQUNLSU5HIGFuZA0KREFNT04g YXJlIG11dHVhbGx5IGV4Y2x1c2l2ZSwgc28gdGhlcmUncyBvbmx5IGV2ZXIgZ29pbmcgdG8gYmUg b25lIHVzZXINCm9mIHRoZSBjdXJyZW50IHNldCBvZiBmbGFncy4gDQoNCkluIHRoaXMgY29tbWl0 LCB3ZSBzcGxpdCBvdXQgdGhlIENPTkZJRyBvcHRpb25zIHRvIGFsbG93IGZvciB0aGUgdXNlIG9m DQpQR195b3VuZyBhbmQgUEdfaWRsZSBvdXRzaWRlIG9mIGlkbGUgcGFnZSB0cmFja2luZy4NCg0K PiANCj4gVG8gYWxsb3cgc3VjaCByZXVzZSBvZiB0aGUgZmxhZ3MsIHRoaXMgY29tbWl0IHNlcGFy YXRlcyB0aGUgUEdfeW91bmcgYW5kDQo+IFBHX2lkbGUgZmxhZyBsb2dpYyBmcm9tIElETEVfUEFH RV9UUkFDS0lORyBhbmQgaW50cm9kdWNlcyBuZXcga2VybmVsDQo+IGNvbmZpZywgJ1BBR0VfSURM RV9GTEFHJy4gIEhlbmNlLCBhIG5ldyBzdWJzeXN0ZW0gd291bGQgYmUgYWJsZSB0byByZXVzZQ0K PiBQR19pZGxlIHdpdGhvdXQgZGVwZW5kaW5nIG9uIElETEVfUEFHRV9UUkFDS0lORy4NCj4gDQo+ IEluIHRoZSBuZXh0IGNvbW1pdCwgREFNT04ncyByZWZlcmVuY2UgaW1wbGVtZW50YXRpb24gb2Yg dGhlIHZpcnR1YWwNCj4gbWVtb3J5IGFkZHJlc3Mgc3BhY2UgbW9uaXRvcmluZyBwcmltaXRpdmVz IHdpbGwgdXNlIGl0Lg0KDQpbLi4uXQ0KDQpDaGVlcnMsDQoNCgkJQW1pdA0KCgoKQW1hem9uIERl dmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKS3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGlu Ckdlc2NoYWVmdHNmdWVocnVuZzogQ2hyaXN0aWFuIFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MK RWluZ2V0cmFnZW4gYW0gQW10c2dlcmljaHQgQ2hhcmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3 MyBCClNpdHo6IEJlcmxpbgpVc3QtSUQ6IERFIDI4OSAyMzcgODc5CgoK