From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Luiz Capitulino <luizcap@redhat.com>,
Alexander Gordeev <agordeev@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
baolin.wang@linux.alibaba.com, ziy@nvidia.com,
lance.yang@linux.dev, corbet@lwn.net, tsbogend@alpha.franken.de,
maddy@linux.ibm.com, mpe@ellerman.id.au,
gerald.schaefer@linux.ibm.com, hca@linux.ibm.com,
gor@linux.ibm.com, x86@kernel.org, tglx@kernel.org,
mingo@redhat.com, bp@alien8.de, ira.weiny@intel.com,
hughd@google.com, dave.hansen@linux.intel.com, djbw@kernel.org,
vishal.l.verma@intel.com, dave.jiang@intel.com,
akpm@linux-foundation.org, yintirui@huawei.com, ljs@kernel.org,
dev.jain@arm.com
Subject: Re: [PATCH v6 08/14] s390: move has_transparent_hugepage() out of THP guard
Date: Mon, 27 Jul 2026 19:14:05 +0200 [thread overview]
Message-ID: <e462a3f2-1a29-435c-b64c-2876f98059bf@kernel.org> (raw)
In-Reply-To: <cab6b125-f028-4d71-8500-5f7a6b9ab646@redhat.com>
On 7/27/26 19:06, Luiz Capitulino wrote:
> On 2026-07-27 11:41, Alexander Gordeev wrote:
>> On Thu, Jul 23, 2026 at 09:34:12PM -0400, Luiz Capitulino wrote:
>>> has_transparent_hugepage() definition is guarded by
>>> CONFIG_TRANSPARENT_HUGEPAGE, but there's a need to use it when
>> ^^^^^^^^^^^^^^
>> What need? The commit message needs to be self-sufficient or
>> at least explain why that it is a pre-requisite.
>
> This series is adding a new API, based on has_transparent_hugepage(), to
> check if a CPU supports PMD-sized pages. The new API is orthogonal to
> THP and must work when CONFIG_TRANSPARENT_HUGEPAGE=n.
Alexander is asking for that to be incorporated into the patch description :)
--
Cheers,
David
next prev parent reply other threads:[~2026-07-27 17:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-24 1:34 [PATCH v6 00/14] mm: thp: always enable mTHP support Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 01/14] docs: tmpfs: remove implementation detail reference Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 02/14] mm: shmem: shmem_getattr(): set blksize to highest supported THP order Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 03/14] mm: introduce pgtable_has_pmd_leaves() Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 04/14] drivers: dax: use pgtable_has_pmd_leaves() Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 05/14] drivers: nvdimm: " Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 06/14] mm: debug_vm_pgtable: " Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 07/14] mm: shmem: allow THP support determination at folio allocation time Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 08/14] s390: move has_transparent_hugepage() out of THP guard Luiz Capitulino
2026-07-27 15:41 ` Alexander Gordeev
2026-07-27 17:06 ` Luiz Capitulino
2026-07-27 17:14 ` David Hildenbrand (Arm) [this message]
2026-07-27 17:25 ` Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 09/14] powerpc: " Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 10/14] mips: " Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 11/14] x86: " Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 12/14] treewide: introduce arch_has_pmd_leaves() Luiz Capitulino
2026-07-24 18:55 ` Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 13/14] mm: replace thp_disabled_by_hw() with pgtable_has_pmd_leaves() Luiz Capitulino
2026-07-24 1:34 ` [PATCH v6 14/14] mm: thp: always enable mTHP support Luiz Capitulino
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