linux-kernel - Re: [PATCH v11 13/33] mm/filemap: Add folio_index(), folio_file_page() and folio

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Message-ID: <814131.1623837803@warthog.procyon.org.uk>
Date:   Wed, 16 Jun 2021 11:03:23 +0100
From:   David Howells <dhowells@...hat.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     dhowells@...hat.com, akpm@...ux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Jeff Layton <jlayton@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        William Kucharski <william.kucharski@...cle.com>
Subject: Re: [PATCH v11 13/33] mm/filemap: Add folio_index(), folio_file_page() and folio_contains()

Matthew Wilcox (Oracle) <willy@...radead.org> wrote:

> folio_index() is the equivalent of page_index() for folios.
> folio_file_page() is the equivalent of find_subpage().
> folio_contains() is the equivalent of thp_contains().
> 
> No changes to generated code.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Jeff Layton <jlayton@...nel.org>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Reviewed-by: William Kucharski <william.kucharski@...cle.com>

folio_subpage() might be a better name than folio_file_page().

Reviewed-by: David Howells <dhowells@...hat.com>