linux-kernel - Re: Regarding patch "mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in

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Message-ID: <20150716124758.GA2561@suse.de>
Date:	Thu, 16 Jul 2015 13:47:59 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	"Alex Ng (LIS)" <alexng@...rosoft.com>
Cc:	Waiman Long <waiman.long@...com>,
	Robin Holt <robinmholt@...il.com>,
	Nate Zimmer <nzimmer@....com>,
	Dave Hansen <dave.hansen@...el.com>,
	Scott Norton <scott.norton@...com>,
	"Luck, Tony" <tony.luck@...el.com>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Regarding patch "mm: meminit: make __early_pfn_to_nid SMP-safe
 and introduce meminit_pfn_in_nid"

On Wed, Jul 15, 2015 at 10:45:11PM +0000, Alex Ng (LIS) wrote:
> > Agreed. Lets hear first if it addresses Alex problem first and if so,
> > I'll apply your feedback and put a changelog on it. There are now at least
> > three follow-on patches that I'm waiting for feedback on.
> > 
> > --
> > Mel Gorman
> > SUSE Labs
> 
> Tried this patch and it addresses the hotplug issue. It's no longer crashing.
> 

Excellent, thanks for that Alex. I've taken the liberty of adding the
following.

Reported-and-tested-by: Alex Ng <alexng@...rosoft.com>

I'm hoping to get feedback on another two meminit patch and do all the
fixes at once but if it's still quiet tomorrow then I'll send them all on
to Andrew.

-- 
Mel Gorman
SUSE Labs
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