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To: "Martin Brulisauer" <martin@uceb.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: type safe lists (was Re: PATCH: type safe(r) list_entry repacement: generic_out_cast)
References: <20020723114703.GM11081@unthought.net.suse.lists.linux.kernel> <3D3E75E9.28151.2A7FBB2@localhost.suse.lists.linux.kernel>
From: Andi Kleen <ak@suse.de>
Date: 24 Jul 2002 15:23:39 +0200
In-Reply-To: "Martin Brulisauer"'s message of "24 Jul 2002 09:44:34 +0200"
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> 
> As long as your pointers are 32bit this seems to be ok. But on 
> 64bit implementations pointers are not (unsigned long) so this cast 
> seems to be wrong.

A pointer fits into unsigned long on all 64bit linux ports.
The kernel very heavily relies on that.

You are probably thinking of Win64, but this is not Windows.

-Andi
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