linux-kernel - Re: [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT

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Message-ID: <51aa0ced-e736-4eb5-a376-75dcb30469be@redhat.com>
Date: Thu, 15 May 2025 16:58:48 +0200
From: David Hildenbrand <david@...hat.com>
To: Usama Arif <usamaarif642@...il.com>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
 hannes@...xchg.org, shakeel.butt@...ux.dev, riel@...riel.com,
 ziy@...dia.com, laoar.shao@...il.com, baolin.wang@...ux.alibaba.com,
 Liam.Howlett@...cle.com, npache@...hat.com, ryan.roberts@....com,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT_HUGE for the
 process

On 15.05.25 16:56, Usama Arif wrote:
> 
> 
> On 15/05/2025 15:44, David Hildenbrand wrote:
>> On 15.05.25 16:40, Lorenzo Stoakes wrote:
>>> Overall I feel this series should _DEFINITELY_ be an RFC. This is pretty
>>> outlandish stuff and needs discussion.
>>>
>>> You're basically making it so /sys/kernel/mm/transparent_hugepage/enabled =
>>> never is completely ignored and overridden.
>>
>> I thought I made it very clear during earlier discussions that never means never.
>>
> 
> Yes never means never

Good, likely worth stating that clearly that there are no overrides (I 
did not look into the series yet, I was only responding to Lorenzo's 
concerns) :)

-- 
Cheers,

David / dhildenb