[PATCHv6 03/17] mm: Rename the 'compound_head' field in the 'struct page' to 'compound_info'
Vlastimil Babka
vbabka at suse.cz
Tue Feb 10 07:09:27 PST 2026
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 at kernel.org>
> Reviewed-by: Muchun Song <muchun.song at linux.dev>
> Reviewed-by: Zi Yan <ziy at nvidia.com>
Reviewed-by: Vlastimil Babka <vbabka at suse.cz>
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