[PATCH] powerpc/pseries: Switch to GFP_ATOMIC allocations in hotplug interrupt handler

[Nathan Lynch]

Bharata B Rao <bharata at linux.ibm.com> writes:

> queue_hotplug_event() gets called from interrupt handler code. Use
> GFP_ATOMIC allocations instead of GFP_KERNEL.

https://patchwork.ozlabs.org/patch/1106626/

(That version also adds a missing check for the result of the first
kmalloc.)