Re: [PATCHv6 03/17] mm: Rename the 'compound_head' field in the 'struct page' to 'compound_info'

Vlastimil Babka
2026-02-10T15:09:29Z

On 2/2/26 16:56, Kiryl Shutsemau wrote:
> The 'compound_head' field in the 'struct page' encodes whether the page
> is a tail and where to locate the head page. Bit 0 is set if the page is
> a tail, and the remaining bits in the field point to the head page.
>
> As preparation for changing how the field encodes information about the
> head page, rename the field to 'compound_info'.
>
> Signed-off-by: Kiryl Shutsemau <kas@kernel.org>
> Reviewed-by: Muchun Song <muchun.song@linux.dev>
> Reviewed-by: Zi Yan <ziy@nvidia.com>

Reviewed-by: Vlastimil Babka <vbabka@suse.cz>