Re: [PATCH 3/3] mm: update architecture and driver code to use vm_flags_t

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To: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 3/3] mm: update architecture and driver code to use vm_flags_t
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Mon, 23 Jun 2025 16:18:20 +0200
Cc: Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Jarkko Sakkinen <jarkko@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Kees Cook <kees@xxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Zi Yan <ziy@xxxxxxxxxx>, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>, "Liam R . Howlett" <Liam.Howlett@xxxxxxxxxx>, Nico Pache <npache@xxxxxxxxxx>, Ryan Roberts <ryan.roberts@xxxxxxx>, Dev Jain <dev.jain@xxxxxxx>, Barry Song <baohua@xxxxxxxxxx>, Xu Xin <xu.xin16@xxxxxxxxxx>, Chengming Zhou <chengming.zhou@xxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Rik van Riel <riel@xxxxxxxxxxx>, Harry Yoo <harry.yoo@xxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Pedro Falcato <pfalcato@xxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>, Shakeel Butt <shakeel.butt@xxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-sgx@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx
In-reply-to: <b6eb1894abc5555ece80bb08af5c022ef780c8bc.1750274467.git.lorenzo.stoakes@oracle.com>
Organization: Red Hat
User-agent: Mozilla Thunderbird

On 18.06.25 21:42, Lorenzo Stoakes wrote:

In future we intend to change the vm_flags_t type, so it isn't correct for
architecture and driver code to assume it is unsigned long. Correct this
assumption across the board.

Overall, this patch does not introduce any functional change.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
---


Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb

References:
- [PATCH 0/3] use vm_flags_t consistently
  - From: Lorenzo Stoakes
- [PATCH 3/3] mm: update architecture and driver code to use vm_flags_t
  - From: Lorenzo Stoakes

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