linux-kernel - Why is the kfree() argument const?

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Message-ID: <87lk6pvii0.fsf@saeurebad.de>
Date:	Wed, 16 Jan 2008 17:32:23 +0100
From:	Johannes Weiner <hannes@...urebad.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	clameter@....com, penberg@...helsinki.fi
Subject: Why is the kfree() argument const?

Hi,

is there any reason why kfree() takes a const pointer just to degrade it
with the call to slab_free()/__cache_free() again?  The promise that the
pointee is not modified is just bogus in this case, anyway, isn't it?

	Hannes
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