From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/pseries: Auto online hotplugged memory
Date: Mon, 20 Jun 2016 21:14:03 -0500 [thread overview]
Message-ID: <5768A2EB.5030808@linux.vnet.ibm.com> (raw)
In-Reply-To: <1466470648.9938.0.camel@ellerman.id.au>
On 06/20/2016 07:57 PM, Michael Ellerman wrote:
> On Mon, 2016-06-20 at 08:51 -0500, Nathan Fontenot wrote:
>
>> Auto online hotplugged memory
>>
>> A recent update (commit id 31bc3858ea3) to the core mm hotplug code
>> introduced the memhp_auto_online variable to allow for automatically
>> onlining memory that is added.
>>
>> This patch update the pseries memory hotplug code to enable this so that
>> any memory DLPAR added to the system is automatically onlined. The code
>> to add the memory block for memory added from add_memory() is removed as
>> this is not needed, the memory_add code does this.
>
> Is this a bug fix, or just a cleanup?
>
Hmmm.. some cleanup and some new feature. The removal of the memblock_add()
call is a cleanup and the setting of the memhp_auto_online variable is
taking advantage of a feature I was not previously aware of.
None of this is a bug fix.
-Nathan
next prev parent reply other threads:[~2016-06-21 2:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 13:51 [PATCH] powerpc/pseries: Auto online hotplugged memory Nathan Fontenot
2016-06-21 0:57 ` Michael Ellerman
2016-06-21 2:14 ` Nathan Fontenot [this message]
2016-06-24 5:35 ` Michael Ellerman
2016-06-27 14:41 ` Nathan Fontenot
2016-06-28 3:46 ` Michael Ellerman
2016-06-28 16:31 ` Nathan Fontenot
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