Received-SPF: pass (google.com: domain of linux-kernel+bounces-75754-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
From: "Song, Xiongwei" <Xiongwei.Song@windriver.com>
To: Roman Gushchin <roman.gushchin@linux.dev>,
        Vlastimil Babka
	<vbabka@suse.cz>
CC: Christoph Lameter <cl@linux.com>, Pekka Enberg <penberg@kernel.org>,
        David
 Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew
 Morton <akpm@linux-foundation.org>,
        Hyeonggon Yoo <42.hyeyoo@gmail.com>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
        Alexander Potapenko
	<glider@google.com>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Dmitry Vyukov
	<dvyukov@google.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Zheng
 Yejian <zhengyejian1@huawei.com>,
        Chengming Zhou <chengming.zhou@linux.dev>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org"
	<linux-kernel@vger.kernel.org>,
        "kasan-dev@googlegroups.com"
	<kasan-dev@googlegroups.com>,
        Steven Rostedt <rostedt@goodmis.org>
Subject: RE: [PATCH 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag
Thread-Topic: [PATCH 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag
Thread-Index: AQHaZB4V5G9cauwLMUeerVHZZ0FHGbEVH8qAgABvR8A=
Date: Thu, 22 Feb 2024 01:10:23 +0000
Message-ID: 
 <CO1PR11MB51854DA6F03753F12A540293EC562@CO1PR11MB5185.namprd11.prod.outlook.com>
References: <20240220-slab-cleanup-flags-v1-0-e657e373944a@suse.cz>
 <20240220-slab-cleanup-flags-v1-1-e657e373944a@suse.cz>
 <ZdZBN_K8yJTVIbtC@P9FQF9L96D.corp.robot.car>
In-Reply-To: <ZdZBN_K8yJTVIbtC@P9FQF9L96D.corp.robot.car>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: 
 =?us-ascii?Q?Er60AqX8mo46Nrbmh793dQE+qaddbBEpXxIjBOmt0w7L9e36p0Yo+Q8Mqzsm?=
 =?us-ascii?Q?tPp3XLDzI0ZRjVPM032pATTYP5rbF0fEiMw1ZtYngyE1NvGCPPyZTWBqOIxs?=
 =?us-ascii?Q?ArrV3ZSMCh485kn4OJklTOUbR4hj4wJGzyXbBe5TxF55grKduvWIzcXGRo4Y?=
 =?us-ascii?Q?LY7GMQA0iSLWVvnzB0EIBuVj/jQmXhKOEkoz0AoWni0TS9K/hyJjIxpSmTTN?=
 =?us-ascii?Q?K8W5JPIJ/tuuQwrMd4j/ydCYEgHcYa5/Ew7JS8tqL1DsWVAQ7jlCeg8lpY/z?=
 =?us-ascii?Q?M1kytjz767h7s9H1lXCJE5ORona3l2bE5MIPnODx1p6aelV5evvVEPzyLyEk?=
 =?us-ascii?Q?SV/anC0MtHgQggXENeIsmNBQ6R+6vNKSQZVmZiItpwoV1dMJOSLAYFABk1tD?=
 =?us-ascii?Q?p2yKPfSRUQEwHl5keRWK3KZ23TMiHzydCNMtfMaDNC4FvGtr4m5VPEgnrlyp?=
 =?us-ascii?Q?qN9HDfe0c0MhfPZjfL4lpqKxvH4Ht5zdlWTZv63153jJwWQ61SaZ5Czk+/Hg?=
 =?us-ascii?Q?mIRyzmzC5k8lbLukKjHA72PK4mn6pVKH7/LHM07NpL6UxPHM5psv3eXL9DGY?=
 =?us-ascii?Q?/JnXdX7ClDHd7WmqfYtXmjgFlLPziUJVsriKtnrXYcaan1RxilemmUj47jq/?=
 =?us-ascii?Q?HfA36JGEBmfoiUYhkR8vGD5Bb+mOag0el1zxIdKn8duMsi8zGOZM8CWwRT+z?=
 =?us-ascii?Q?H31M+0ovfZAfSCdaczuwFa/uQIRInFqcT7cjonyUvbkKPR7TWDq1+0XsgZu2?=
 =?us-ascii?Q?sBIeBo0fnqldTpS+fUxZlrtO41e4dlbSA9oxQalFfZGS2vD7kg/rxOtWXJzK?=
 =?us-ascii?Q?SFZwoFvOrvDre7O63TMOebupept9gbRthd2CCJTSN/y0DKMeYKz0YUoGP2pU?=
 =?us-ascii?Q?lKeUuXb2fXiuCK+GLDa1W78qkKofWpYaBceEVzLqGRog2uw056RxW83Xvzvm?=
 =?us-ascii?Q?5Z/kaTRKqqPXe3OFG7MEiqoMVEZdKG6IRntzfbmWQ3SvyWTxM8aIWnz4GeR0?=
 =?us-ascii?Q?/6qDJuWMbLSr85UhxP9aFJY9XX9G68SePjT23NWfj5DZFzQbXerTyqJb/g2M?=
 =?us-ascii?Q?pu09fyt9+qwuKfCaExyrhPN/WAZ2j7kz7Ix4t+zZj9Di53LHRG/KkurGYXE0?=
 =?us-ascii?Q?K8kBXjvbWIO759WkmXspI2RsSQEU/DQWbW9MhGoqvByv8PAfkWpPHGU5vxCH?=
 =?us-ascii?Q?XJqn9t4lpN+4uptF3rxHOu5cpM2qgpxAlkwcskAWEC5DURzVvvbzaXxx0evS?=
 =?us-ascii?Q?59ZjgzCE5Jea43TaTf/Q9tvIOjAVStu9dDJEgLxbqHU2ditffxsM/wOPzYk1?=
 =?us-ascii?Q?IiBTA3xC3vtv3uyugNIhCs+tiAps68+tXppHt9L2TtFA1a7MirNjzOW97a7f?=
 =?us-ascii?Q?wGtSChbtJfhTyrr9AxSSid6pvNil3nY0pgBAl55U8gfuRsmr7CwhwJU4CGkZ?=
 =?us-ascii?Q?kI+5nY98P7vi5DZGM1YS0W0r5WdvNLLU923S9y3kqVWP0I+zWUreTNgS5H78?=
 =?us-ascii?Q?E3nbF6Lpyr04Z73Rau8XZzkFotUac9cMylAz0qGvxq16EGRVPG4k3z1hm4+L?=
 =?us-ascii?Q?ky5XLSAHajJQfjMxjtYC7LAvCyyp3V1S8u9zoCSrNPqjqYEU6bxovo+zdrNc?=
 =?us-ascii?Q?QA=3D=3D?=
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-OriginatorOrg: windriver.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CO1PR11MB5185.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 7fdcda3b-37df-453c-bb01-08dc33430c26
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Feb 2024 01:10:23.9306
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 8ddb2873-a1ad-4a18-ae4e-4644631433be
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: ODxNRSoyYIHzGeKljsflMqmXhGKMkaqseLFaIs+gnr1Q116nV9mi20XtESL04tBA4HGXU+Gkpg57VB7CPrKqGK2cSgFsKlajI7LwWu/cnwc=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB7595
X-Proofpoint-GUID: bTzno3AKQmfE3USkVLx3fNJnpuAmQhyb
X-Proofpoint-ORIG-GUID: bTzno3AKQmfE3USkVLx3fNJnpuAmQhyb
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26
 definitions=2024-02-21_09,2024-02-21_02,2023-05-22_02
X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=525 mlxscore=0
 priorityscore=1501 suspectscore=0 impostorscore=0 clxscore=1015
 bulkscore=0 malwarescore=0 adultscore=0 spamscore=0 lowpriorityscore=0
 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1
 engine=8.19.0-2402120000 definitions=main-2402220007

Hi Vlastimil,

> On Tue, Feb 20, 2024 at 05:58:25PM +0100, Vlastimil Babka wrote:
> 0;95;0c> The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which w=
as
> > removed.  SLUB instead relies on the page allocator's NUMA policies.
> > Change the flag's value to 0 to free up the value it had, and mark it
> > for full removal once all users are gone.
> >
> > Reported-by: Steven Rostedt <rostedt@goodmis.org>
> > Closes: https://lore.kernel.org/all/20240131172027.10f64405@gandalf.loc=
al.home/
> > Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
>=20
> Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
>=20
> Do you plan to follow up with a patch series removing all usages?

If you are not available with it, I can do.

Regards,
Xiongwei