From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Nico Pache <npache@redhat.com>,
"Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
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Bagas Sanjaya <bagasdotme@gmail.com>
Subject: Re: [PATCH mm-unstable v15 13/13] Documentation: mm: update the admin guide for mTHP collapse
Date: Wed, 18 Mar 2026 20:49:52 +0100 [thread overview]
Message-ID: <5ecb772b-2f2f-4010-aa6e-8894d188ea10@kernel.org> (raw)
In-Reply-To: <1adffe75-cc91-4c55-bde7-9406bf656c72@redhat.com>
On 3/18/26 20:08, Nico Pache wrote:
>
>
> On 3/17/26 5:02 AM, Lorenzo Stoakes (Oracle) wrote:
>> On Wed, Feb 25, 2026 at 08:27:06PM -0700, Nico Pache wrote:
>>> Now that we can collapse to mTHPs lets update the admin guide to
>>> reflect these changes and provide proper guidance on how to utilize it.
>>>
>>> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
>>> Signed-off-by: Nico Pache <npache@redhat.com>
>>
>> LGTM, but maybe we should mention somewhere about mTHP's max_ptes_none
>> behaviour?
>
> IIRC we decided to strictly leave that out of the manual. I used to have it in
> here. @david?
I think we argued in the past that we didn't want to document the weird
scaling part.
Documenting that only two values are currently supported (no scaling)
makes sense to me.
--
Cheers,
David
prev parent reply other threads:[~2026-03-18 19:50 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-26 3:17 [PATCH mm-unstable v15 00/13] khugepaged: mTHP support Nico Pache
2026-02-26 3:22 ` [PATCH mm-unstable v15 01/13] mm/khugepaged: generalize hugepage_vma_revalidate for " Nico Pache
2026-03-12 20:00 ` David Hildenbrand (Arm)
2026-02-26 3:23 ` [PATCH mm-unstable v15 02/13] mm/khugepaged: generalize alloc_charge_folio() Nico Pache
2026-03-12 20:05 ` David Hildenbrand (Arm)
2026-02-26 3:23 ` [PATCH mm-unstable v15 03/13] mm/khugepaged: generalize __collapse_huge_page_* for mTHP support Nico Pache
2026-03-12 20:32 ` David Hildenbrand (Arm)
2026-03-12 20:36 ` David Hildenbrand (Arm)
2026-03-12 20:56 ` David Hildenbrand (Arm)
2026-02-26 3:24 ` [PATCH mm-unstable v15 04/13] mm/khugepaged: introduce collapse_max_ptes_none helper function Nico Pache
2026-02-26 3:24 ` [PATCH mm-unstable v15 05/13] mm/khugepaged: generalize collapse_huge_page for mTHP collapse Nico Pache
2026-03-17 16:51 ` Lorenzo Stoakes (Oracle)
2026-03-17 17:16 ` Randy Dunlap
2026-02-26 3:24 ` [PATCH mm-unstable v15 06/13] mm/khugepaged: skip collapsing mTHP to smaller orders Nico Pache
2026-03-12 21:00 ` David Hildenbrand (Arm)
2026-02-26 3:25 ` [PATCH mm-unstable v15 07/13] mm/khugepaged: add per-order mTHP collapse failure statistics Nico Pache
2026-03-12 21:03 ` David Hildenbrand (Arm)
2026-03-17 17:05 ` Lorenzo Stoakes (Oracle)
2026-02-26 3:25 ` [PATCH mm-unstable v15 08/13] mm/khugepaged: improve tracepoints for mTHP orders Nico Pache
2026-03-12 21:05 ` David Hildenbrand (Arm)
2026-02-26 3:25 ` [PATCH mm-unstable v15 09/13] mm/khugepaged: introduce collapse_allowable_orders helper function Nico Pache
2026-03-12 21:09 ` David Hildenbrand (Arm)
2026-03-17 17:08 ` Lorenzo Stoakes (Oracle)
2026-02-26 3:26 ` [PATCH mm-unstable v15 10/13] mm/khugepaged: Introduce mTHP collapse support Nico Pache
2026-03-12 21:16 ` David Hildenbrand (Arm)
2026-03-17 21:36 ` Lorenzo Stoakes (Oracle)
2026-02-26 3:26 ` [PATCH mm-unstable v15 11/13] mm/khugepaged: avoid unnecessary mTHP collapse attempts Nico Pache
2026-02-26 16:26 ` Usama Arif
2026-02-26 20:47 ` Nico Pache
2026-03-12 21:19 ` David Hildenbrand (Arm)
2026-03-17 10:35 ` Lorenzo Stoakes (Oracle)
2026-03-18 18:59 ` Nico Pache
2026-03-18 19:48 ` David Hildenbrand (Arm)
2026-03-19 15:59 ` Lorenzo Stoakes (Oracle)
2026-02-26 3:26 ` [PATCH mm-unstable v15 12/13] mm/khugepaged: run khugepaged for all orders Nico Pache
2026-02-26 15:53 ` Usama Arif
2026-03-12 21:22 ` David Hildenbrand (Arm)
2026-03-17 10:58 ` Lorenzo Stoakes (Oracle)
2026-03-18 19:02 ` Nico Pache
2026-03-17 11:36 ` Lance Yang
2026-03-18 19:07 ` Nico Pache
2026-02-26 3:27 ` [PATCH mm-unstable v15 13/13] Documentation: mm: update the admin guide for mTHP collapse Nico Pache
2026-03-17 11:02 ` Lorenzo Stoakes (Oracle)
2026-03-18 19:08 ` Nico Pache
2026-03-18 19:49 ` David Hildenbrand (Arm) [this message]
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