On Thu, Feb 15, 2018 at 09:55:11AM -0600, Christopher Lameter wrote:
> On Wed, 14 Feb 2018, Matthew Wilcox wrote:
> > > Uppercase like the similar KMEM_CACHE related macros in
> > > include/linux/slab.h?>
> >
> > Do you think that would look better in the users?  Compare:
> Does looking matter? I thought we had the convention that macros are
> uppercase. There are some tricks going on with the struct. Uppercase shows
> that something special is going on.

  12) Macros, Enums and RTL

  Names of macros defining constants and labels in enums are capitalized.

  .. code-block:: c

          #define CONSTANT 0x12345

  Enums are preferred when defining several related constants.

  CAPITALIZED macro names are appreciated but macros resembling functions
  may be named in lower case.

I dunno.  Yes, there's macro trickery going on here, but it certainly
resembles a function.  It doesn't fail any of the rules laid out in that
chapter of coding-style about unacceptable uses of macros.

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