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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Dev Jain <dev.jain@arm.com>, akpm@linux-foundation.org, ljs@kernel.org
Cc: liam@infradead.org, vbabka@kernel.org, rppt@kernel.org,
	surenb@google.com, mhocko@suse.com, kasong@tencent.com,
	qi.zheng@linux.dev, shakeel.butt@linux.dev, baohua@kernel.org,
	axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	riel@surriel.com, harry@kernel.org, jannh@google.com,
	lance.yang@linux.dev, ryan.roberts@arm.com,
	anshuman.khandual@arm.com
Subject: Re: [PATCH 1/3] mm/memory: move pte_install_uffd_wp_if_needed() into memory.c
Date: Thu, 16 Jul 2026 11:35:17 +0200	[thread overview]
Message-ID: <91231124-acd6-4b50-8d61-fa4e2e076649@kernel.org> (raw)
In-Reply-To: <20260715111839.1667914-2-dev.jain@arm.com>

On 7/15/26 13:18, Dev Jain wrote:
> pte_install_uffd_wp_if_needed() has grown too large for mm_inline.h.
> Move it to memory.c.
> 
> While at it, convert the comment to kerneldoc and rename the local
> arguments from pte/pteval to ptep/pte so the pointer and pte value
> are easier to distinguish.
> 
> Signed-off-by: Dev Jain <dev.jain@arm.com>
> ---
>  include/linux/mm.h        |  2 ++
>  include/linux/mm_inline.h | 53 ----------------------------------
>  mm/memory.c               | 60 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 62 insertions(+), 53 deletions(-)
> 
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 550fb92957d18..a71341c44655e 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -5406,4 +5406,6 @@ void map_anon_folio_pte_nopf(struct folio *folio, pte_t *pte,
>  		struct vm_area_struct *vma, unsigned long addr,
>  		bool uffd_wp);
>  
> +bool pte_install_uffd_wp_if_needed(struct vm_area_struct *vma,
> +		unsigned long addr, pte_t *ptep, pte_t pte);

This could probably go to mm/internal.h instead?

Apart from that LGTM.

-- 
Cheers,

David

  reply	other threads:[~2026-07-16  9:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-15 11:18 [PATCH 0/3] Batch unmap of uffd-wp file folios Dev Jain
2026-07-15 11:18 ` [PATCH 1/3] mm/memory: move pte_install_uffd_wp_if_needed() into memory.c Dev Jain
2026-07-16  9:35   ` David Hildenbrand (Arm) [this message]
2026-07-16 10:06     ` Dev Jain
2026-07-15 11:18 ` [PATCH 2/3] mm/memory: batch set uffd-wp markers during zapping Dev Jain
2026-07-16  9:41   ` David Hildenbrand (Arm)
2026-07-16 10:08     ` Dev Jain
2026-07-15 11:18 ` [PATCH 3/3] mm/rmap: batch unmap file folios belonging to uffd-wp VMAs Dev Jain
2026-07-16  9:44   ` David Hildenbrand (Arm)
2026-07-15 18:58 ` [PATCH 0/3] Batch unmap of uffd-wp file folios Andrew Morton
2026-07-16  4:57   ` Dev Jain

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