Re: mlock ulimits for SHM_HUGETLB

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Subject: Re: mlock ulimits for SHM_HUGETLB
From: Bharat Agrawal <bharat.agrawal@xxxxxxxxx>
Date: Mon, 19 May 2025 10:23:33 +0000
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Cc: "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-api@xxxxxxxxxxxxxxx" <linux-api@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>
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Thread-topic: 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.

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