[RFC 1/2] mm, slub: prevent kmalloc_node crashes and memory leaks

[Sachin Sant]

>>> Great, thanks! Can I add your Tested-by: then?
>> 
>> Sure.
>> Tested-by: Sachin Sant <sachinp at linux.vnet.ibm.com>
>> 
>> Thank you for the fix.
> 
> Thanks! Sorry to bother, but in the end I decided to do further change so I
> would appreciate verification if it still works as intended.

Works as expected. I am able to boot the machine without any issues.

Thanks
-Sachin