On Wed, Mar 31, 2021 at 07:47:27PM +0100, Matthew Wilcox (Oracle) wrote:
> void unlock_page_private_2(struct page *page)
> {
> - page = compound_head(page);
> - VM_BUG_ON_PAGE(!PagePrivate2(page), page);
> - clear_bit_unlock(PG_private_2, &page->flags);
> - wake_up_page_bit(page, PG_private_2);
> + struct folio *folio = page_folio(page);
> + VM_BUG_ON_FOLIO(!FolioPrivate2(folio), folio);
A whitespace between the declaration and the code would be nice.
Otherwise looks good;
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
