Re: [PATCH 5/6] userfault; Expand folio use in mfill_atomic_install_pte()

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx
Subject: Re: [PATCH 5/6] userfault; Expand folio use in mfill_atomic_install_pte()
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Wed, 24 Apr 2024 13:55:21 +0200
In-reply-to: <20240423225552.4113447-6-willy@infradead.org>
Organization: Red Hat
References: <20240423225552.4113447-1-willy@infradead.org> <20240423225552.4113447-6-willy@infradead.org>
User-agent: Mozilla Thunderbird

On 24.04.24 00:55, Matthew Wilcox (Oracle) wrote:

Call page_folio() a little earlier so we can use folio_mapping()
instead of page_mapping(), saving a call to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---


Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb

References:
- [PATCH 0/6] Remove page_mapping()
  - From: Matthew Wilcox (Oracle)
- [PATCH 5/6] userfault; Expand folio use in mfill_atomic_install_pte()
  - From: Matthew Wilcox (Oracle)

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