Re: [RFC PATCH 1/3] mm: Constify folio_mapping() and swapcache_mapping()

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx
Subject: Re: [RFC PATCH 1/3] mm: Constify folio_mapping() and swapcache_mapping()
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Tue, 11 Feb 2025 21:04:05 +0100
In-reply-to: <20250210212142.4002210-2-willy@infradead.org>
Organization: Red Hat
References: <20250210212142.4002210-1-willy@infradead.org> <20250210212142.4002210-2-willy@infradead.org>
User-agent: Mozilla Thunderbird

On 10.02.25 22:21, Matthew Wilcox (Oracle) wrote:

Neither of these functions modify their argument; make it const
so the compiler knows this and can optimise accordingly.

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



Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb

References:
- [RFC PATCH 0/3] snapshot_page()
  - From: Matthew Wilcox (Oracle)
- [RFC PATCH 1/3] mm: Constify folio_mapping() and swapcache_mapping()
  - From: Matthew Wilcox (Oracle)

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