Re: [PATCH v6 05/99] xarray: Add definition of struct xarray

From: Paul Bolle
Date: Wed Jan 24 2018 - 03:45:42 EST


Mathhew,

Just a minor question.

On Wed, 2018-01-17 at 12:20 -0800, Matthew Wilcox wrote:
> This is a direct replacement for struct radix_tree_root. Some of the
> struct members have changed name; convert those, and use a #define so
> that radix_tree users continue to work without change.
>
> Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>

> --- a/include/linux/xarray.h
> +++ b/include/linux/xarray.h
> @@ -10,6 +10,8 @@
> */
>
> #include <linux/bug.h>
> +#include <linux/compiler.h>
> +#include <linux/kconfig.h>

The top Makefile includes linux/kconfig.h globally. (See the odd USERINCLUDE
variable, which is actually part of the LINUXINCLUDE variable, but split off
to make things confusing.)

Why do you need to include linux/kconfig.h here?

> #include <linux/spinlock.h>
> #include <linux/types.h>

Thanks,


Paul Bolle