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

David Howells
2021-08-10T20:42:26Z

Matthew Wilcox (Oracle) <willy@infradead.org> 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@infradead.org>

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@redhat.com>