Re: aligned_{u64,be64,le64} defined in #ifdef __KERNEL__

[David Miller]

From: Andreas Gruenbacher <agruen@xxxxxxx>
Date: Mon, 30 Aug 2010 03:26:29 +0200

> On Saturday 28 August 2010 01:51:53 Eric Paris wrote:
>> I liked this version until I realized that userspace doesn't have
>> aligned_u64 as a valid type.
> 
> This looks like an error in include/linux/types.h.  The aligned types should 
> probably not be defined inside #ifdef __KERNEL__.

You can't do this, as it would pollute the POSIX namespace.

If we want a version of this type visible to userspace, it needs to,
for example, have double underscores prepended to the type name just
as we do for things like __u16 and __u32.
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