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Date:	Wed, 23 Jul 2014 11:20:20 +0800
From:	Jiang Liu <>
To:	Nishanth Aravamudan <>,
	Alexander Duyck <>
CC:	Andrew Morton <>,
	Mel Gorman <>,
	David Rientjes <>,
	Mike Galbraith <>,
	Peter Zijlstra <>,
	"Rafael J . Wysocki" <>,
	Jeff Kirsher <>,
	Jesse Brandeburg <>,
	Bruce Allan <>,
	Carolyn Wyborny <>,
	Don Skidmore <>,
	Greg Rose <>,
	Alex Duyck <>,
	John Ronciak <>,
	Mitch Williams <>,
	Linux NICS <>,
	Tony Luck <>,,,,, Netdev <>
Subject: Re: [RFC Patch V1 15/30] mm, igb: Use cpu_to_mem()/numa_mem_id()
 to support memoryless node

Hi Nishanth and Alexander,
	Thanks for review, will update the comments
in next version.

On 2014/7/22 5:09, Nishanth Aravamudan wrote:
> On 21.07.2014 [12:53:33 -0700], Alexander Duyck wrote:
>> I do agree the description should probably be changed.  There shouldn't be
>> any panics involved, only a performance impact as it will be reallocating
>> always if it is on a node with no memory.
> Yep, thanks for the review.
>> My intention on this was to make certain that the memory used is from the
>> closest node possible.  As such I believe this change likely honours that.
> Absolutely, just wanted to make it explicit that it's not a functional
> fix, just a performance fix (presuming this shows up at all on systems
> that have memoryless NUMA nodes).
> I'd suggest an update to the comments, as well.
> Thanks,
> Nish
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