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From: David Hildenbrand <david@redhat.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Usama Arif <usamaarif642@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, hannes@cmpxchg.org, shakeel.butt@linux.dev,
	riel@surriel.com, ziy@nvidia.com, laoar.shao@gmail.com,
	baolin.wang@linux.alibaba.com, npache@redhat.com,
	ryan.roberts@arm.com, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT_HUGE for the process
Date: Thu, 15 May 2025 19:29:59 +0200	[thread overview]
Message-ID: <c3c264fa-b74c-42ba-a3ad-615715c8fa80@redhat.com> (raw)
In-Reply-To: <7a255984-7c9b-46f1-b73b-f85b5b571a92@lucifer.local>

>>
> 
> Did we document all this? :)
> 
> It'd be good to be super explicit about these sorts of 'dependency chains'.
> 

Documentation/admin-guide/mm/transhuge.rst has under "Global THP 
controls" quite some stuff about all that, yes.

The whole document needs an overhaul, to clarify on the whole 
terminology, make it consistent, and better explain how the pagecache 
behaves etc. On my todo list, but I'm afraid it will be a bit of work to 
get it right / please most people.

-- 
Cheers,

David / dhildenb


  reply	other threads:[~2025-05-15 17:30 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-15 13:33 [PATCH 0/6] prctl: introduce PR_SET/GET_THP_POLICY Usama Arif
2025-05-15 13:33 ` [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT_HUGE for the process Usama Arif
2025-05-15 14:40   ` Lorenzo Stoakes
2025-05-15 14:44     ` David Hildenbrand
2025-05-15 14:56       ` Usama Arif
2025-05-15 14:58         ` David Hildenbrand
2025-05-15 15:18           ` Lorenzo Stoakes
2025-05-15 15:45       ` Liam R. Howlett
2025-05-15 15:57         ` David Hildenbrand
2025-05-15 16:38           ` Lorenzo Stoakes
2025-05-15 17:29             ` David Hildenbrand [this message]
2025-05-15 18:09               ` Liam R. Howlett
2025-05-15 18:21                 ` Lorenzo Stoakes
2025-05-15 18:42                   ` Zi Yan
2025-05-15 21:04                     ` Lorenzo Stoakes
2025-05-15 18:46                   ` Usama Arif
2025-05-15 19:20                 ` David Hildenbrand
2025-05-15 15:28     ` Usama Arif
2025-05-15 16:06       ` Lorenzo Stoakes
2025-05-15 16:11         ` David Hildenbrand
2025-05-15 18:08           ` Lorenzo Stoakes
2025-05-15 19:12             ` David Hildenbrand
2025-05-15 20:35               ` Lorenzo Stoakes
2025-05-16  7:45                 ` David Hildenbrand
2025-05-16 10:57                   ` Lorenzo Stoakes
2025-05-16 11:24                     ` David Hildenbrand
2025-05-16 12:57                       ` Lorenzo Stoakes
2025-05-16 17:19                         ` Usama Arif
2025-05-16 17:51                           ` Lorenzo Stoakes
2025-05-16 19:34                             ` Usama Arif
2025-05-17 16:20                         ` Is number of process_madvise()-able ranges limited to 8? (was Re: [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT_HUGE for the process) SeongJae Park
2025-05-17 18:50                           ` Lorenzo Stoakes
2025-05-17 20:25                             ` SeongJae Park
2025-05-17 19:01                         ` [PATCH 1/6] prctl: introduce PR_THP_POLICY_DEFAULT_HUGE for the process Lorenzo Stoakes
2025-05-15 16:47         ` Usama Arif
2025-05-15 18:36           ` Lorenzo Stoakes
2025-05-15 19:17             ` David Hildenbrand
2025-05-15 20:42               ` Lorenzo Stoakes
2025-05-16  6:12   ` kernel test robot
2025-05-15 13:33 ` [PATCH 2/6] prctl: introduce PR_THP_POLICY_DEFAULT_NOHUGE " Usama Arif
2025-05-16  8:19   ` kernel test robot
2025-05-15 13:33 ` [PATCH 3/6] prctl: introduce PR_THP_POLICY_SYSTEM " Usama Arif
2025-05-15 13:33 ` [PATCH 4/6] selftests: prctl: introduce tests for PR_THP_POLICY_DEFAULT_NOHUGE Usama Arif
2025-05-15 13:33 ` [PATCH 5/6] selftests: prctl: introduce tests for PR_THP_POLICY_DEFAULT_HUGE Usama Arif
2025-05-15 13:33 ` [PATCH 6/6] docs: transhuge: document process level THP controls Usama Arif
2025-05-15 13:55 ` [PATCH 0/6] prctl: introduce PR_SET/GET_THP_POLICY Lorenzo Stoakes
2025-05-15 14:50   ` Usama Arif
2025-05-15 15:15     ` Lorenzo Stoakes
2025-05-15 15:54       ` Usama Arif
2025-05-15 16:04         ` David Hildenbrand
2025-05-15 16:24         ` Lorenzo Stoakes

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