Re: [PATCH v2 19/37] mm/gup: remove record_subpages()

[PATCH v2 00/37] mm: remove nth_page() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 01/37] mm: stop making SPARSEMEM_VMEMMAP user-selectable · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 02/37] arm64: Kconfig: drop superfluous "select SPARSEMEM_VMEMMAP" · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 03/37] s390/Kconfig: drop superfluous "select SPARSEMEM_VMEMMAP" · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 04/37] x86/Kconfig: drop superfluous "select SPARSEMEM_VMEMMAP" · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 05/37] wireguard: selftests: remove CONFIG_SPARSEMEM_VMEMMAP=y from qemu kernel config · David Hildenbrand <hidden> · 2025-09-01
Re: [PATCH v2 05/37] wireguard: selftests: remove CONFIG_SPARSEMEM_VMEMMAP=y from qemu kernel config · "Jason A. Donenfeld" <Jason@zx2c4.com> · 2025-09-08
[PATCH v2 06/37] mm/page_alloc: reject unreasonable folio/compound page sizes in alloc_contig_range_noprof() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 07/37] mm/memremap: reject unreasonable folio/compound page sizes in memremap_pages() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-09-01
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · Christophe Leroy <hidden> · 2025-10-09
Re: (bisected) [PATCH v2 08/37] mm/hugetlb: check for unreasonable folio sizes when registering hstate · David Hildenbrand <hidden> · 2025-10-09
[PATCH v2 09/37] mm/mm_init: make memmap_init_compound() look more like prep_compound_page() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 10/37] mm: sanity-check maximum folio size in folio_set_order() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 11/37] mm: limit folio/compound page sizes in problematic kernel configs · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 12/37] mm: simplify folio_page() and folio_page_idx() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 13/37] mm/hugetlb: cleanup hugetlb_folio_init_tail_vmemmap() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 14/37] mm/mm/percpu-km: drop nth_page() usage within single allocation · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 15/37] fs: hugetlbfs: remove nth_page() usage within folio in adjust_range_hwpoison() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 16/37] fs: hugetlbfs: cleanup folio in adjust_range_hwpoison() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 17/37] mm/pagewalk: drop nth_page() usage within folio in folio_walk_start() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 18/37] mm/gup: drop nth_page() usage within folio when recording subpages · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-01
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-05
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Jens Axboe <axboe@kernel.dk> · 2025-09-05
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Lorenzo Stoakes <hidden> · 2025-09-05
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-05
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Eric Biggers <ebiggers@kernel.org> · 2025-09-05
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-06
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Andrew Morton <akpm@linux-foundation.org> · 2025-09-09
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · John Hubbard <jhubbard@nvidia.com> · 2025-09-06
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-06
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-06
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · John Hubbard <jhubbard@nvidia.com> · 2025-09-07
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Lorenzo Stoakes <hidden> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · John Hubbard <jhubbard@nvidia.com> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Mark Brown <broonie@kernel.org> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · David Hildenbrand <hidden> · 2025-09-08
Re: [PATCH v2 19/37] mm/gup: remove record_subpages() · Mark Brown <broonie@kernel.org> · 2025-09-08
[PATCH v2 20/37] io_uring/zcrx: remove nth_page() usage within folio · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 21/37] mips: mm: convert __flush_dcache_pages() to __flush_dcache_folio_pages() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 22/37] mm/cma: refuse handing out non-contiguous page ranges · David Hildenbrand <hidden> · 2025-09-01
Re: [PATCH v2 22/37] mm/cma: refuse handing out non-contiguous page ranges · David Hildenbrand <hidden> · 2025-09-09
[PATCH v2 23/37] dma-remap: drop nth_page() in dma_common_contiguous_remap() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 24/37] scatterlist: disallow non-contigous page ranges in a single SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 25/37] ata: libata-sff: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 26/37] drm/i915/gem: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
Re: [PATCH v2 26/37] drm/i915/gem: drop nth_page() usage within SG entry · Tvrtko Ursulin <tursulin@ursulin.net> · 2025-09-02
Re: [PATCH v2 26/37] drm/i915/gem: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-02
[PATCH v2 27/37] mspro_block: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 28/37] memstick: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 29/37] mmc: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 30/37] scsi: scsi_lib: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 31/37] scsi: sg: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 32/37] vfio/pci: drop nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 33/37] crypto: remove nth_page() usage within SG entry · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 34/37] mm/gup: drop nth_page() usage in unpin_user_page_range_dirty_lock() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 35/37] kfence: drop nth_page() usage · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 36/37] block: update comment of "struct bio_vec" regarding nth_page() · David Hildenbrand <hidden> · 2025-09-01
[PATCH v2 37/37] mm: remove nth_page() · David Hildenbrand <hidden> · 2025-09-01

From: David Hildenbrand <hidden>
Date: 2025-09-08 08:00:14
Also in: dri-devel, intel-gfx, io-uring, kvm, linux-arm-kernel, linux-crypto, linux-ide, linux-iommu, linux-kselftest, linux-mips, linux-mm, linux-mmc, linux-riscv, linux-s390, linux-scsi, lkml, virtualization

quoted

Roughly, what I am thinking (limiting it to pte+pmd case) about is the
following:

The code below looks much cleaner, that's great!

Great, I (or Aristeu if he has capacity) will clean this all up soon.

-- 
Cheers

David / dhildenb

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