linux-kernel - Re: + uapi-fix-linux-sysctlh-userspace-compilation-errors.patch added to -mm tree

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Date:   Fri, 24 Feb 2017 17:35:33 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     akpm@...ux-foundation.org
Cc:     ldv@...linux.org, ebiederm@...ssion.com,
        linux-kernel@...r.kernel.org
Subject: Re: + uapi-fix-linux-sysctlh-userspace-compilation-errors.patch
 added to -mm tree

On Thu, Feb 23, 2017 at 02:44:31PM -0800, akpm@...ux-foundation.org wrote:
> /usr/include/linux/sysctl.h:38:2: error: unknown type name 'size_t'
>   size_t *oldlenp;
> /usr/include/linux/sysctl.h:40:2: error: unknown type name 'size_t'
>   size_t newlen;

> --- a/include/uapi/linux/sysctl.h~uapi-fix-linux-sysctlh-userspace-compilation-errors
> +++ a/include/uapi/linux/sysctl.h
> @@ -26,6 +26,10 @@
>  #include <linux/types.h>
>  #include <linux/compiler.h>
>  
> +#ifndef __KERNEL__
> +#include <stddef.h>		/* For size_t. */
> +#endif

There is __kernel_size_t for cases like this.