From: David Hildenbrand <david@redhat.com>
To: Balbir Singh <balbirs@nvidia.com>, Zi Yan <ziy@nvidia.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
damon@lists.linux.dev, dri-devel@lists.freedesktop.org,
"Matthew Brost" <matthew.brost@intel.com>,
"Joshua Hahn" <joshua.hahnjy@gmail.com>,
"Rakie Kim" <rakie.kim@sk.com>,
"Byungchul Park" <byungchul@sk.com>,
"Gregory Price" <gourry@gourry.net>,
"Ying Huang" <ying.huang@linux.alibaba.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Oscar Salvador" <osalvador@suse.de>,
"Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
"Baolin Wang" <baolin.wang@linux.alibaba.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Nico Pache" <npache@redhat.com>,
"Ryan Roberts" <ryan.roberts@arm.com>,
"Dev Jain" <dev.jain@arm.com>, "Barry Song" <baohua@kernel.org>,
"Lyude Paul" <lyude@redhat.com>,
"Danilo Krummrich" <dakr@kernel.org>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Ralph Campbell" <rcampbell@nvidia.com>,
"Mika Penttilä" <mpenttil@redhat.com>,
"Francois Dugast" <francois.dugast@intel.com>
Subject: Re: [v6 02/15] mm/huge_memory: add device-private THP support to PMD operations
Date: Tue, 23 Sep 2025 10:37:01 +0200 [thread overview]
Message-ID: <bfede7e3-5295-4453-928f-8e7c0bf8f2cd@redhat.com> (raw)
In-Reply-To: <5b9da42e-49a2-4229-81ce-625ce00ed7b2@nvidia.com>
>>
>> non_present seems too vague. Maybe just open code it.
>
> This was David's suggestion from the previous posting, there is is_swap_pfn_entry()
> but it's much larger than we would like for our use case.
Right. If we can find a better name, great, but open coding this turned
out nasty.
--
Cheers
David / dhildenb
next prev parent reply other threads:[~2025-09-23 8:37 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-16 12:21 [v6 00/15] mm: support device-private THP Balbir Singh
2025-09-16 12:21 ` [v6 01/15] mm/zone_device: support large zone device private folios Balbir Singh
2025-09-18 2:49 ` Zi Yan
2025-09-19 5:01 ` Balbir Singh
2025-09-19 13:26 ` Zi Yan
2025-09-23 3:47 ` Balbir Singh
2025-09-24 11:04 ` David Hildenbrand
2025-09-24 17:49 ` Zi Yan
2025-09-24 23:45 ` Alistair Popple
2025-09-25 15:27 ` Zi Yan
2025-09-26 1:44 ` Alistair Popple
2025-09-24 10:55 ` David Hildenbrand
2025-09-24 17:36 ` Zi Yan
2025-09-24 23:58 ` Alistair Popple
2025-09-25 0:05 ` Balbir Singh
2025-09-25 15:32 ` Zi Yan
2025-09-25 9:43 ` David Hildenbrand
2025-09-25 12:02 ` Balbir Singh
2025-09-26 1:50 ` Alistair Popple
2025-09-16 12:21 ` [v6 02/15] mm/huge_memory: add device-private THP support to PMD operations Balbir Singh
2025-09-18 18:45 ` Zi Yan
2025-09-19 4:51 ` Balbir Singh
2025-09-23 8:37 ` David Hildenbrand [this message]
2025-09-25 0:25 ` Alistair Popple
2025-09-25 9:53 ` David Hildenbrand
2025-09-26 1:53 ` Alistair Popple
2025-09-16 12:21 ` [v6 03/15] mm/rmap: extend rmap and migration support device-private entries Balbir Singh
2025-09-22 20:13 ` Zi Yan
2025-09-23 3:39 ` Balbir Singh
2025-09-24 10:46 ` David Hildenbrand
2025-09-16 12:21 ` [v6 04/15] mm/huge_memory: implement device-private THP splitting Balbir Singh
2025-09-22 21:09 ` Zi Yan
2025-09-23 1:50 ` Balbir Singh
2025-09-23 2:09 ` Zi Yan
2025-09-23 4:04 ` Balbir Singh
2025-09-23 16:08 ` Zi Yan
2025-09-25 10:06 ` David Hildenbrand
2025-09-25 10:01 ` David Hildenbrand
2025-09-25 11:13 ` Balbir Singh
2025-09-16 12:21 ` [v6 05/15] mm/migrate_device: handle partially mapped folios during collection Balbir Singh
2025-09-23 2:23 ` Zi Yan
2025-09-23 3:44 ` Balbir Singh
2025-09-23 15:56 ` Karim Manaouil
2025-09-24 4:47 ` Balbir Singh
2025-09-30 11:58 ` Balbir Singh
2025-09-16 12:21 ` [v6 06/15] mm/migrate_device: implement THP migration of zone device pages Balbir Singh
2025-09-16 12:21 ` [v6 07/15] mm/memory/fault: add THP fault handling for zone device private pages Balbir Singh
2025-09-25 10:11 ` David Hildenbrand
2025-09-30 12:00 ` Balbir Singh
2025-09-16 12:21 ` [v6 08/15] lib/test_hmm: add zone device private THP test infrastructure Balbir Singh
2025-09-16 12:21 ` [v6 09/15] mm/memremap: add driver callback support for folio splitting Balbir Singh
2025-09-16 12:21 ` [v6 10/15] mm/migrate_device: add THP splitting during migration Balbir Singh
2025-09-16 12:21 ` [v6 11/15] lib/test_hmm: add large page allocation failure testing Balbir Singh
2025-09-16 12:21 ` [v6 12/15] selftests/mm/hmm-tests: new tests for zone device THP migration Balbir Singh
2025-09-16 12:21 ` [v6 13/15] selftests/mm/hmm-tests: partial unmap, mremap and anon_write tests Balbir Singh
2025-09-16 12:21 ` [v6 14/15] selftests/mm/hmm-tests: new throughput tests including THP Balbir Singh
2025-09-16 12:21 ` [v6 15/15] gpu/drm/nouveau: enable THP support for GPU memory migration Balbir Singh
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