Re: [RFC Patch V1 15/30] mm, igb: Use cpu_to_mem()/numa_mem_id() to support memoryless node

Jiang Liu <[email protected]> Wed, 23 Jul 2014 11:20:20 +0800
Newsgroups gmane.linux.kernel.mm,gmane.linux.hotplug.devel,gmane.linux.kernel,gmane.linux.drivers.e1000.devel,gmane.linux.network
Organization Intel
Message-ID <[email protected]>
Hi Nishanth and Alexander,
	Thanks for review, will update the comments
in next version.
Regards!
Gerry

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
> 

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to [email protected].  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"[email protected]"> [email protected] </a>