Re: [PATCH v14 052/138] mm: Add folio_raw_mapping()

From: David Howells
Date: Tue Aug 10 2021 - 16:42:26 EST

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

I assume you're going to call it from another source file at some point,
otherwise this is unnecessary.

Apart from that,

Reviewed-by: David Howells <dhowells@xxxxxxxxxx>