Re: [PATCH v2] mm/huge_memory.c: reorder operations in __split_huge_page_tail()

[Matthew Wilcox]

On Sun, Feb 11, 2018 at 05:29:37PM +0300, Konstantin Khlebnikov wrote:
> +     /*
> +      * Finally unfreeze refcount. Additional pin to radix tree.
> +      */
> +     page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) ||
> +                                       PageSwapCache(head)));

Please say "Additional pin from page cache", not "radix tree".