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