linux-kernel - Re: [PATCH] drivers/base: export gpl (un)register_memory

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Message-Id: <1203010725.19205.44.camel@nimitz.home.sr71.net>
Date:	Thu, 14 Feb 2008 09:38:45 -0800
From:	Dave Hansen <haveblue@...ibm.com>
To:	Badari Pulavarty <pbadari@...ibm.com>
Cc:	Christoph Raisch <RAISCH@...ibm.com>, ossthema@...ux.vnet.ibm.com,
	apw <apw@...ibm.com>, Greg KH <greg@...ah.com>,
	Jan-Bernd Themann <THEMANN@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...abs.org, netdev <netdev@...r.kernel.org>,
	Thomas Q Klein <TKLEIN@...ibm.com>, tklein@...ux.ibm.com
Subject: Re: [PATCH] drivers/base: export gpl (un)register_memory_notifier


On Thu, 2008-02-14 at 09:36 -0800, Badari Pulavarty wrote:
> 
> I am not sure what you are trying to do with walk_memory_resource().
> The
> behavior is different on ppc64. Hotplug memory usage assumes that all
> the memory resources (all system memory, not just IOMEM) are
> represented
> in /proc/iomem. Its the case with i386 and ia64. But on ppc64 is
> contains ONLY iomem related. Paulus didn't want to export all the
> system
> memory into /proc/iomem on ppc64. So I had to workaround by providing
> arch-specific walk_memory_resource() function for ppc64.

OK, let's use that one.

-- Dave

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