Re: [PATCH v1 12/36] mm: simplify folio_page() and folio_page_idx()

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To: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: Re: [PATCH v1 12/36] mm: simplify folio_page() and folio_page_idx()
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Thu, 28 Aug 2025 09:46:25 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, Zi Yan <ziy@xxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Brendan Jackman <jackmanb@xxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, io-uring@xxxxxxxxxxxxxxx, Jason Gunthorpe <jgg@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, kasan-dev@xxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, linux-arm-kernel@xxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, Oscar Salvador <osalvador@xxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxx, Vlastimil Babka <vbabka@xxxxxxx>, wireguard@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx
In-reply-to: <20250828074356.3xiuqugokg36yuxw@master>
References: <20250827220141.262669-1-david@redhat.com> <20250827220141.262669-13-david@redhat.com> <20250828074356.3xiuqugokg36yuxw@master>
User-agent: Mozilla Thunderbird


Curious about why it is in page-flags.h. It seems not related to page-flags.


Likely because we have the page_folio() in there as well.

--
Cheers

David / dhildenb

Follow-Ups:
- Re: [PATCH v1 12/36] mm: simplify folio_page() and folio_page_idx()
  - From: Wei Yang

References:
- [PATCH v1 00/36] mm: remove nth_page()
  - From: David Hildenbrand
- [PATCH v1 12/36] mm: simplify folio_page() and folio_page_idx()
  - From: David Hildenbrand
- Re: [PATCH v1 12/36] mm: simplify folio_page() and folio_page_idx()
  - From: Wei Yang

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