from if_pppox.h:
...
#ifdef __KERNEL__
#include <linux/if_ether.h>
#include <linux/if.h>
#include <linux/netdevice.h>
#include <asm/semaphore.h>
#include <linux/ppp_channel.h>
#endif /* __KERNEL__ */
#include <linux/if_pppol2tp.h>
/* For user-space programs to pick up these definitions
* which they wouldn't get otherwise without defining __KERNEL__
*/
...
that comment's placing in that header file is confusing, since it's
not clear *what* definitions userspace would be missing if it didn't
define __KERNEL__. i'd be tempted to just toss that comment.
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
Have classroom, will lecture.
http://crashcourse.ca Waterloo, Ontario, CANADA
========================================================================
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