linux-kernel - Re: [RFC v3 PATCH 6/7] Ksplice: Export symbols needed for Ksplice

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Date:	Sat, 22 Nov 2008 01:34:07 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jeff Arnold <jbarnold@....EDU>
Cc:	linux-kernel@...r.kernel.org, Tim Abbott <tabbott@....edu>,
	Anders Kaseorg <andersk@....edu>,
	Waseem Daher <wdaher@....edu>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Nikanth Karthikesan <knikanth@...e.de>
Subject: Re: [RFC v3 PATCH 6/7] Ksplice: Export symbols needed for Ksplice

On Fri, Nov 21, 2008 at 10:36:00PM -0500, Jeff Arnold wrote:
> Ksplice uses init_mm to get access to the ranges of addresses
> containing core kernel text and data.  It seems that init_mm was
> scheduled to be unexported entirely in 2.6.26, so move it to
> EXPORT_SYMBOL_GPL (rather than back to EXPORT_SYMBOL).

Umm, no.  This is a very clear indicator that your code shouldn't be
modular.

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