linux-kernel - Re: [PATCH v14 052/138] mm: Add folio_raw

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Message-ID: <ceeeaac4-c8c5-3b03-66da-6deec35c501b@suse.cz>
Date:   Wed, 11 Aug 2021 15:59:06 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v14 052/138] mm: Add folio_raw_mapping()

On 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote:
> Convert __page_rmapping to folio_raw_mapping and move it to mm/internal.h.
> It's only a couple of instructions (load and mask), so it's definitely
> going to be cheaper to inline it than call it.  Leave page_rmapping
> out of line.

Maybe mention the page_anon_vma() in changelog too?

> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Acked-by: Vlastimil Babka <vbabka@...e.cz>