linux-kernel - Re: [PATCH 08/10] Use __kernel_ulong_t in struct msqid64

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Message-ID: <4FB6B9D3.6020307@kernel.org>
Date:	Fri, 18 May 2012 14:06:27 -0700
From:	"H. Peter Anvin" <hpa@...nel.org>
To:	"H.J. Lu" <hjl.tools@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	mingo@...nel.org, tglx@...utronix.de,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: [PATCH 08/10] Use __kernel_ulong_t in struct msqid64_ds

On 05/17/2012 08:56 PM, H.J. Lu wrote:
> 
> We need kernel headers for constants used in system calls.  But I don't
> mind if kernel stops exporting data structures to user space.
> 

I do.  It is idiotic that data structure definitions should have be
replicated by cut and paste; all it is is a completely unnecessary
source of both delay and of error.

	-hpa

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