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Date: Tue, 18 Aug 2009 23:32:56 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mikael Pettersson <mikpe@it.uu.se>
Cc: linux-kernel@vger.kernel.org, Andries Brouwer <aeb@cwi.nl>
Subject: Re: completely hide parts of the partition table from Windows?
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> Any recommendations? If no existing partition table format is suitable
> for my use case then I'm perfectly willing to invent a simple new format
> and add the corresponding parser to the kernel.

Or if its not the boot partition can you not just tell device mapper about
it and create a device mapper device of the offset ?