Re: [PATCH 07/15] mm: Make prep_transhuge_page tail-callable

From: Kirill A. Shutemov
Date: Thu Sep 26 2019 - 10:13:32 EST


On Tue, Sep 24, 2019 at 05:52:06PM -0700, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
>
> By permitting NULL or order-0 pages as an argument, and returning the
> argument, callers can write:
>
> return prep_transhuge_page(alloc_pages(...));
>
> instead of assigning the result to a temporary variable and conditionally
> passing that to prep_transhuge_page().

Patch makes sense, "tail-callable" made me think you want it to be able
accept tail pages. Can we re-phrase this?
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

--
Kirill A. Shutemov