From: Kumar Gala <galak@kernel.crashing.org>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org
Subject: Re: [PATCH v4] powerpc: change rheap functions to use ulongs instead of pointers
Date: Thu, 10 May 2007 00:15:43 -0500 (CDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0705100015270.27791@localhost.localdomain> (raw)
In-Reply-To: <11786535963742-git-send-email-timur@freescale.com>
On Tue, 8 May 2007, Timur Tabi wrote:
> The rheap allocation functions return a pointer, but the actual value is based
> on how the heap was initialized, and so it can be anything, e.g. an offset
> into a buffer. A ulong is a better representation of the value returned by
> the allocation functions.
>
> This patch changes all of the relevant rheap functions to use a unsigned long
> integers instead of a pointer. In case of an error, the value returned is
> a negative error code that has been cast to an unsigned long. The caller can
> use the IS_ERR_VALUE() macro to check for this.
>
> All code which calls the rheap functions is updated accordingly. Macros
> IS_MURAM_ERR() and IS_DPERR(), have been deleted in favor of IS_ERR_VALUE().
>
> Also added error checking to rh_attach_region().
>
> Signed-off-by: Timur Tabi <timur@freescale.com>
applied.
- k
prev parent reply other threads:[~2007-05-10 5:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-08 19:46 [PATCH v4] powerpc: change rheap functions to use ulongs instead of pointers Timur Tabi
2007-05-10 5:15 ` Kumar Gala [this message]
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