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b=L7b0uVcjAkOy6GkkkR88gUBB1Y8TfGqrfO/PXhNhgTSL0GQqbZkVuPBz5UysPyx2U 0gp6a70UEV0QsGiiOL6TquyuyoeX7w+9OOdaF3nF6KvZ7onrw28Ij/Xr4ZHP1ghZQ6 qjkT0/tftACmsAUImbZNgoEAOhNyx7bs01LGwyYoY3qY89uXzFTAyXVi/hhdDjesy2 BZcTjExidnRRPk8RLBoXiBsLBt9O8dqYZGyGFRTmdXALCQ0nKSrOODxYM/XZPRytxe k7ZWaqRb47UtC8dNtc6D8Pwarv8SL1wpbLUrNhuLc3eE+GdMV2QqPjM/WD9xg77YuR Q6cvr/ZafO4Bg== Message-ID: Date: Tue, 26 May 2026 16:37:46 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/slub: batch-detach node partial slabs To: Hao Li , vbabka@kernel.org, akpm@linux-foundation.org Cc: cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260525032233.10847-1-hao.li@linux.dev> Content-Language: en-US From: Harry Yoo In-Reply-To: <20260525032233.10847-1-hao.li@linux.dev> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------HGVndVDD6Zf0wBTPu1sTrfOC" X-Rspamd-Server: rspam11 X-Stat-Signature: hgjfqwnxds8mk8e798thjfeto96rnebt X-Rspamd-Queue-Id: 1145FA0010 X-Rspam-User: X-HE-Tag: 1779781073-321257 X-HE-Meta: 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 z6Flvc2v 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------HGVndVDD6Zf0wBTPu1sTrfOC Content-Type: multipart/mixed; boundary="------------0pfAF50SZy9x3xfzcCG09C7w"; protected-headers="v1"; hp="clear" Message-ID: Date: Tue, 26 May 2026 16:37:46 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/slub: batch-detach node partial slabs To: Hao Li , vbabka@kernel.org, akpm@linux-foundation.org Cc: cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260525032233.10847-1-hao.li@linux.dev> Content-Language: en-US From: Harry Yoo In-Reply-To: <20260525032233.10847-1-hao.li@linux.dev> --------------0pfAF50SZy9x3xfzcCG09C7w Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 DQoNCk9uIDUvMjUvMjYgMTI6MjIgUE0sIEhhbyBMaSB3cm90ZToNCj4gZ2V0X3BhcnRpYWxf bm9kZV9idWxrKCkgdXNlZCB0byBtb3ZlIGVhY2ggc2VsZWN0ZWQgc2xhYiBmcm9tIHRoZSBu b2RlDQo+IHBhcnRpYWwgbGlzdCB0byB0aGUgbG9jYWwgcGMtPnNsYWJzIGxpc3QgdXNpbmcg YSByZW1vdmVfcGFydGlhbCgpIGFuZA0KPiBsaXN0X2FkZCgpIHBhaXIuIEluIHByYWN0aWNl LCB0aGUgbG9vcCBvZnRlbiBkZXRhY2hlcyBzZXZlcmFsIGFkamFjZW50DQo+IHNsYWJzLCBz byB0aGlzIHJlcGVhdGVkbHkgbWFuaXB1bGF0ZXMgbGlzdCBwb2ludGVycyB3aGlsZSBob2xk aW5nDQo+IG4tPmxpc3RfbG9jaywgd2hpY2ggY2F1c2VzIHVubmVjZXNzYXJ5IGNodXJuLg0K PiANCj4gSW5zdGVhZCwgdHJhY2sgY29udGlndW91cyBydW5zIG9mIG1hdGNoaW5nIHNsYWJz IGFuZCBtb3ZlIGVhY2ggcnVuIHdpdGgNCj4gbGlzdF9idWxrX21vdmVfdGFpbCgpIGluIG9u ZSBvcGVyYXRpb24uDQoNClRJTCBsaXN0X2J1bGtfbW92ZV90YWlsKCkgOkQNCg0KID4gVGhp cyByZWR1Y2VzIGxpc3QgcG9pbnRlciBjaHVybj4gaW5zaWRlIHRoZSBsb2NrIGNyaXRpY2Fs IHNlY3Rpb24uDQoNClNpbWlsYXIgdG8gdGhpcywgY2FuIHdlIHJldHVybiBhbGwgc2xhYnMg aW4gcGMtPnNsYWJzIGF0IG9uY2Ugd2hlbiANCnJldHVybmluZyB0aG9zZSBzbGFicyB0byB0 aGUgbGlzdD8gLi4uIEkgc2VlIFZsYXN0aW1pbCByZW1vdmVkICduciBvZiANCmVtcHR5IHNs YWJzJyBjaGVjayBpbiB0aGUgb3RoZXIgc2VyaWVzIGFscmVhZHkuDQoNCk5vdyB0aGF0IGl0 IGluc2VydHMgc2xhYnMgdG8gdGhlIHRhaWwgd2l0aCBWbGFzdGltaWwncyBwYXRjaHNldCwg bGV0J3MgDQpkbyBhIGxpc3Rfc3BsaWNlX3RhaWwoKSBpbnN0ZWFkPw0KDQo+IFRoZSBtbWFw MiB0ZXN0Y2FzZSBzaG93cyBhIDUlIGltcHJvdmVtZW50IGFmdGVyIGFwcGx5aW5nIHRoaXMg cGF0Y2guDQo+IA0KPiBTaWduZWQtb2ZmLWJ5OiBIYW8gTGkgPGhhby5saUBsaW51eC5kZXY+ DQo+IC0tLQ0KPiAgIG1tL3NsdWIuYyB8IDIyICsrKysrKysrKysrKysrKysrKy0tLS0NCj4g ICAxIGZpbGUgY2hhbmdlZCwgMTggaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkNCj4g DQo+IGRpZmYgLS1naXQgYS9tbS9zbHViLmMgYi9tbS9zbHViLmMNCj4gaW5kZXggMDQ2OTJh NmY5MTI4Li4xODA5NzNhNGEzZDIgMTAwNjQ0DQo+IC0tLSBhL21tL3NsdWIuYw0KPiArKysg Yi9tbS9zbHViLmMNCj4gQEAgLTM3NzUsMTUgKzM3ODMsMjEgQEAgc3RhdGljIGJvb2wgZ2V0 X3BhcnRpYWxfbm9kZV9idWxrKHN0cnVjdCBrbWVtX2NhY2hlICpzLA0KPiAgIAkJICAgICYm IHRvdGFsX2ZyZWUgKyBzbGFiX2ZyZWUgPiBwYy0+bWF4X29iamVjdHMpDQo+ICAgCQkJYnJl YWs7DQo+ICAgDQo+IC0JCXJlbW92ZV9wYXJ0aWFsKG4sIHNsYWIpOw0KPiAtDQo+IC0JCWxp c3RfYWRkKCZzbGFiLT5zbGFiX2xpc3QsICZwYy0+c2xhYnMpOw0KPiArCQlpZiAoIWZpcnN0 KQ0KPiArCQkJZmlyc3QgPSBzbGFiOw0KPiArCQlsYXN0ID0gc2xhYjsNCg0KPiArCQlzbGFi X2NsZWFyX25vZGVfcGFydGlhbChzbGFiKTsNCj4gKwkJbi0+bnJfcGFydGlhbC0tOw0KDQpQ ZXJoYXBzIGZhY3RvciBvdXQgdGhvc2UgdHdvIHN0YXRlbWVudHMgaW50byB0byBhIGNvbW1v biBmdW5jdGlvbiBhbmQgDQpjYWxsIGl0IGluIGdldF9wYXJ0aWFsX25vZGVfYnVsaygpIGFu ZCByZW1vdmVfcGFydGlhbCgpPw0KPiAgIAkJdG90YWxfZnJlZSArPSBzbGFiX2ZyZWU7DQo+ ICAgCQlpZiAodG90YWxfZnJlZSA+PSBwYy0+bWF4X29iamVjdHMpDQo+ICAgCQkJYnJlYWs7 DQo+ICAgCX0NCj4gICANCj4gKwlpZiAoZmlyc3QpDQo+ICsJCWxpc3RfYnVsa19tb3ZlX3Rh aWwoJnBjLT5zbGFicywgJmZpcnN0LT5zbGFiX2xpc3QsDQo+ICsJCQkJICAgICZsYXN0LT5z bGFiX2xpc3QpOw0KPiArDQo+ICAgCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJm4tPmxpc3Rf bG9jaywgZmxhZ3MpOw0KPiAgIAlyZXR1cm4gdG90YWxfZnJlZSA+IDA7DQo+ICAgfQ0KDQot LSANCkNoZWVycywNCkhhcnJ5IC8gSHllb25nZ29uDQoNCg== --------------0pfAF50SZy9x3xfzcCG09C7w-- --------------HGVndVDD6Zf0wBTPu1sTrfOC Content-Type: application/pgp-signature; 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