linux-kernel - Re: [PATCH] drivers: base: new memory config sysfs driver for large memory systems

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Date:	Thu, 01 Aug 2013 15:13:03 -0700
From:	Dave Hansen <dave.hansen@...ux.intel.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Nivedita Singhvi <niv@...ibm.com>,
	Michael J Wolf <mjwolf@...ibm.com>,
	linux-kernel@...r.kernel.org, Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH] drivers: base: new memory config sysfs driver for large
 memory systems

On 08/01/2013 01:57 PM, Greg Kroah-Hartman wrote:
>> > "memory" is the name used by the current sysfs memory layout code in
>> > drivers/base/memory.c. So it can't be the same unless we are going to
>> > create a toggle a boot time to select between the models, which is
>> > something I am looking to add if this code/design is acceptable to
>> > people.
> I know it can't be the same, but this is like "memory_v2" or something,
> right?  I suggest you make it an either/or option, given that you feel
> the existing layout just will not work properly for you.

If there are existing tools or applications that look for memory hotplug
events, how does this interact with those?  I know you guys have control
over the ppc software that actually performs the probe/online
operations, but what about other apps?

I also don't seem to see the original post to LKML.  Did you send
privately to Greg, then he cc'd LKML on his reply?
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