Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled

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To: Hui Zhu <teawater@xxxxxxxxx>
Subject: Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Date: Tue, 24 Mar 2020 15:17:58 +0300
Cc: hannes@xxxxxxxxxxx, mhocko@xxxxxxxxxx, vdavydov.dev@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, hughd@xxxxxxxxxx, yang.shi@xxxxxxxxxxxxxxxxx, dan.j.williams@xxxxxxxxx, aneesh.kumar@xxxxxxxxxxxxx, sean.j.christopherson@xxxxxxxxx, thellstrom@xxxxxxxxxx, guro@xxxxxx, shakeelb@xxxxxxxxxx, chris@xxxxxxxxxxxxxx, tj@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Hui Zhu <teawaterz@xxxxxxxxxxxxxxxxx>
In-reply-to: <1585045916-27339-1-git-send-email-teawater@gmail.com>
References: <1585045916-27339-1-git-send-email-teawater@gmail.com>

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

Follow-Ups:
- Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled
  - From: David Rientjes

References:
- [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled
  - From: Hui Zhu

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