linux-kernel - Re: mlock ulimits for SHM

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Message-ID:
 <SJ2PR01MB834515EA00BD7C362A77972F8E9CA@SJ2PR01MB8345.prod.exchangelabs.com>
Date: Mon, 19 May 2025 10:23:33 +0000
From: Bharat Agrawal <bharat.agrawal@...ys.com>
To: "hughd@...gle.com" <hughd@...gle.com>, "akpm@...ux-foundation.org"
	<akpm@...ux-foundation.org>, "rientjes@...gle.com" <rientjes@...gle.com>,
	"zhangyiru3@...wei.com" <zhangyiru3@...wei.com>, "liuzixian4@...wei.com"
	<liuzixian4@...wei.com>, "mhocko@...e.com" <mhocko@...e.com>,
	"wuxu.wu@...wei.com" <wuxu.wu@...wei.com>
CC: "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-api@...r.kernel.org" <linux-api@...r.kernel.org>, "linux-mm@...ck.org"
	<linux-mm@...ck.org>
Subject: Re:  mlock ulimits for SHM_HUGETLB

Hi all,

Could anyone please help comment on the risks associated with an application throwing the "Using mlock ulimits for SHM_HUGETLB is deprecated" message on RHEL 8.9 with 4.18.0-513.18.1.el8_9.x86_64 Linux kernel?

Best,
Bharat Agrawal
ANSYS, Inc.