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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: ansys.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ2PR01MB8345.prod.exchangelabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3a9ff1eb-ec4d-4e2e-18d7-08dd96cd8234 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 May 2025 12:05:55.3211 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 34c6ce67-15b8-4eff-80e9-52da8be89706 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BSAyC/y1+cCBCdaO+bGuEid0hcA29Z/Nxc99jmh4/Smoq43MgAq0dMqN8XsHWpWEjAG3rrp3YHn2yfqnLIZRuNOAau2SyhxXENdLyAlPuXk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR01MB6584 Thanks Greg for the response. RHEL has not been very helpful. I'm not looki= ng to ask for patches because of the old versions.=0A= These messages appear in production runs, raising concerns about possible f= ailures. Thus, the question is: Can they be ignored safely?=0A= =0A= =0A= Best,=0A= Bharat=0A= =0A= ________________________________________=0A= From:=A0Greg KH =0A= Sent:=A0Monday, May 19, 2025 05:02 PM=0A= To:=A0Bharat Agrawal =0A= Cc:=A0hughd@google.com ; akpm@linux-foundation.org ; rientjes@google.com ; zhangyiru= 3@huawei.com ; liuzixian4@huawei.com ; mhocko@suse.com ; wuxu.wu@huawei.com ; linux-fsdevel@vger.kernel.org ; l= inux-kernel@vger.kernel.org ; linux-api@vger.= kernel.org ; linux-mm@kvack.org =0A= Subject:=A0Re: mlock ulimits for SHM_HUGETLB=0A= =A0=0A= [External Sender]=0A= =0A= On Mon, May 19, 2025 at 10:23:33AM +0000, Bharat Agrawal wrote:=0A= > Hi all,=0A= >=0A= > Could anyone please help comment on the risks associated with an applicat= ion throwing the "Using mlock ulimits for SHM_HUGETLB is deprecated" messag= e on RHEL 8.9 with 4.18.0-513.18.1.el8_9.x86_64 Linux kernel?=0A= =0A= Why not ask RHEL support, given that you are paying them for that in=0A= order to be using that kernel version, right?=0A= =0A= Also note that 4.18.y is VERY old and obsolete and not supported by the=0A= community at all.=0A= =0A= Good luck!=0A= =0A= greg k-h=