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

From: Matthew Wilcox
Date: Sun Feb 11 2018 - 15:09:45 EST


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".