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Sat, 28 Feb 2026 18:28:35 +0800 From: wangzicheng To: Barry Song <21cnbao@gmail.com> CC: "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Suren Baghdasaryan , "Lei Liu" , "Matthew Wilcox (Oracle)" , Axel Rasmussen , Yuanchu Xie , Wei Xu , Kairui Song , Tangquan Zheng , wangtao Subject: RE: [PATCH RFC] mm/mglru: lazily activate folios while folios are really mapped Thread-Topic: [PATCH RFC] mm/mglru: lazily activate folios while folios are really mapped Thread-Index: AQHcprbIkLI8koBjtkqDPEnVc1b3J7WU7U8wgAA7mwCAAsHsUA== Date: Sat, 28 Feb 2026 10:28:35 +0000 Message-ID: References: <20260225223712.3685-1-21cnbao@gmail.com> <2558f7d82b9a482387960f45409e1b76@honor.com> In-Reply-To: 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 SGkgQmFycnksDQo+IA0KPiBJIGZpbmQgeW91ciBjb25jZXJuIGEgYml0IHN1cnByaXNpbmcuIElm IEkgdW5kZXJzdGFuZCBjb3JyZWN0bHksDQo+IHlvdeKAmXJlIG9ic2VydmluZyB0aGF0IGZpbGUg Zm9saW9zIGFyZSBjdXJyZW50bHkgYmVpbmcgb3Zlci1yZWNsYWltZWQuDQo+IEluIHRoYXQgY2Fz ZSwgcGxhY2luZyBob3QgcGFnZXMgYXQgdGhlIHRhaWwgbWlnaHQgbWFrZSB0aGVtIGhhcmRlcg0K PiB0byByZWNsYWltIGFmdGVyIFBURSBzY2FubmluZyAoc2luY2UgdGhleSBtYXkgc3RpbGwgYmUg eW91bmcpLCBidXQNCj4gdGhpcyBzZWVtcyB0byB2aW9sYXRlIHRoZSBmdW5kYW1lbnRhbCBwcmlu Y2lwbGUgb2YgTFJVLiBNb3Jlb3ZlciwNCj4gd2hlbiBzY2FubmluZyBlbmNvdW50ZXJzIHlvdW5n IGZpbGUgZm9saW9zLCByZWNsYWltIHdpbGwgc2ltcGx5DQo+IGNvbnRpbnVlIHNjYW5uaW5nIG1v cmUgZm9saW9zIHRvIGZpbmQgcmVjbGFpbWFibGUgb25lcywgc28gc2Nhbm5pbmcNCj4gaG90IGZv bGlvcyBvbmx5IHdhc3RlcyBDUFUgdGltZS4NCj4gU2luY2UgcmVhZC1haGVhZCBjb2xkIGZvbGlv cyBhcmUgcGxhY2VkIGF0IHRoZSBoZWFkLCByZWxhdGl2ZWx5IGhvdHRlcg0KPiBmb2xpb3MgbWF5 IGJlIHJlY2xhaW1lZCBpbnN0ZWFkLCBjYXVzaW5nIHJlZmF1bHRzIGFuZCBmdXJ0aGVyIHRyaWdn ZXJpbmcNCj4gcmVjbGFpbSwgd2hpY2ggY2FuIHdvcnNlbiB0aGUgc2l0dWF0aW9uLg0KPiANClRo YW5rIHlvdSBmb3IgdGhlIGRldGFpbGVkIGV4cGxhbmF0aW9uLg0KPiA+DQo+ID4gV2UnbGwgdGVz dCB0aGlzIHdoZW4gYXZhaWxhYmxlIGFuZCByZXBvcnQgYmFjay4gV2UgaG9wZSB0byBoYXZlIGEN Cj4gPiBjaGFuY2UgdG8gZGlzY3VzcyB0aGlzIHRvcGljIGF0IExTRi9NTS9CUEYuDQo+ID4NCj4g DQo+IFN1cmUsIHRoYW5rcyENCj4gDQo+IEJhcnJ5DQoNCkZvciBldmFsdWF0aW9uIEnigJltIHVz aW5nIGEgd29ya2xvYWQgdGhhdCByZXBlYXRlZGx5IGNvbGQtc3RhcnRzIGFuZA0KZHJpdmVzIHNh bWUgdXNlciBhY3Rpb25zIGluIDIwKyBhcHBzIG9uIEFuZHJvaWQuDQpJ4oCZbSBjb21wYXJpbmcg YmFzZWxpbmUodjYuNikgdnMuIHRoZSBwYXRjaGVkIGtlcm5lbCBhbmQgd2F0Y2hpbmcNCmAvcHJv Yy92bXN0YXQgLT4gd29ya2luZ3NldF9yZWZhdWx0X2ZpbGVgLCBleHBlY3RpbmcgaXQgdG8gZ28g ZG93bi4NCg0KSSByYW4gMyBydW5zIHBlciBrZXJuZWwsIGJ1dCBgd29ya2luZ3NldF9yZWZhdWx0 X2ZpbGVgIGlzIHF1aXRlIG5vaXN5LA0KdGhlIENvZWZmaWNpZW50IG9mIFZhcmlhdGlvbiBpcyBh cm91bmQgNDAlLCBzbyB0aGUgcmVzdWx0IGRvZXNu4oCZdCBsb29rDQpzdGF0aXN0aWNhbGx5IHNv bGlkLg0KDQpEbyB5b3UgaGF2ZSBhbnkgc3VnZ2VzdGlvbnMgb24gaG93IHRvIG1lYXN1cmUgdGhl IGJlbmVmaXQgbW9yZQ0Kcm9idXN0bHk/IEZvciBleGFtcGxlOg0KLSBkaWZmZXJlbnQgb3IgbG9u Z2VyLXJ1bm5pbmcgd29ya2xvYWRzLA0KLSBiZXR0ZXIgbm9ybWFsaXphdGlvbiBmb3IgcmVmYXVs dHMgKHBlciB0aW1lLCBwZXIgZmF1bHRzLCBldGMuKSwNCi0gb3Igb3RoZXIgdm1zdGF0IG1ldHJp Y3MgdGhhdCB5b3UgZm91bmQgbW9yZSBzdGFibGUgaW4gcHJhY3RpY2U/DQoNCknigJltIGFsc28g Y29uc2lkZXJpbmcgaW5jcmVhc2luZyB0aGUgbnVtYmVyIG9mIHJ1bnMgYW5kIHVzaW5nIGEgdC10 ZXN0LA0Kb3IgY29tcGFyaW5nIHRoZSBDREYgYmV0d2VlbiBiYXNlbGluZSBhbmQgcGF0Y2hlZCBr ZXJuZWxzLg0KSWYgeW91IGhhdmUgYSBwcmVmZXJyZWQgbWV0aG9kb2xvZ3ksIEnigJlkIGxpa2Ug dG8gYWxpZ24gd2l0aCB0aGF0Lg0KDQpUaGFua3MsDQpaaWNoZW5nDQo=