linux-kernel - Re: [PATCH 3/8] Add all memory via sysfs probe interface at once

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Message-ID: <20130802023259.GC1680@concordia>
Date:	Fri, 2 Aug 2013 12:32:59 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Nathan Fontenot <nfont@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	linuxppc-dev@...ts.ozlabs.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	isimatu.yasuaki@...fujitsu.com
Subject: Re: [PATCH 3/8] Add all memory via sysfs probe interface at once

On Wed, Jul 24, 2013 at 01:37:47PM -0500, Nathan Fontenot wrote:
> When doing memory hot add via the 'probe' interface in sysfs we do not
> need to loop through and add memory one section at a time. I think this
> was originally done for powerpc, but is not needed. This patch removes
> the loop and just calls add_memory for all of the memory to be added.

Looks like memory hot add is supported on ia64, x86, sh, powerpc and
s390. Have you tested on any?
 
cheers
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