linux-kernel - Re: [PATCH 3/3] flex_array: allow 0 length elements

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Message-Id: <20110426115756.cb501eb4.akpm@linux-foundation.org>
Date:	Tue, 26 Apr 2011 11:57:56 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Eric Paris <eparis@...hat.com>
Cc:	dave@...ux.vnet.ibm.com, steffen.klassert@...unet.com,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov,
	sds@...ho.nsa.gov
Subject: Re: [PATCH 3/3] flex_array: allow 0 length elements

On Mon, 25 Apr 2011 21:45:43 -0400
Eric Paris <eparis@...hat.com> wrote:

> allow elements of 0 length.  We already allow flex_arrays with 0 elements, but
> this patch allow us to have elements that are 0 bytes long.

Again, sounds vaguely useful but it adds code and churns the code for
no apparent benefit.

IOW2: why?
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