linux-kernel - Re: [PATCH] mm, memcg: Add memory.transparent_hugepage

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Message-ID: <20200324121758.paxxthsi2f4hngfa@box>
Date:   Tue, 24 Mar 2020 15:17:58 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Hui Zhu <teawater@...il.com>
Cc:     hannes@...xchg.org, mhocko@...nel.org, vdavydov.dev@...il.com,
        akpm@...ux-foundation.org, hughd@...gle.com,
        yang.shi@...ux.alibaba.com, dan.j.williams@...el.com,
        aneesh.kumar@...ux.ibm.com, sean.j.christopherson@...el.com,
        thellstrom@...are.com, guro@...com, shakeelb@...gle.com,
        chris@...isdown.name, tj@...nel.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        linux-mm@...ck.org, Hui Zhu <teawaterz@...ux.alibaba.com>
Subject: Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled

On Tue, Mar 24, 2020 at 06:31:56PM +0800, Hui Zhu wrote:
> /sys/kernel/mm/transparent_hugepage/enabled is the only interface to
> control if the application can use THP in system level.

No. We have prctl(PR_SET_THP_DISABLE) too.

-- 
 Kirill A. Shutemov