K 10
svn:author
V 8
gallatin
K 8
svn:date
V 27
2020-01-18T18:25:37.193158Z
K 7
svn:log
V 287
pcpu_page_alloc: guard against empty NUMA domains

Some systems, such as higher end Threadripper, may have
NUMA domains with no physical memory, Don't allocate
from these domains.

This fixes a "panic: vm_wait in early boot" on my 2990WX desktop

Reviewed by:	jeff
Sponsored by:	Netflix

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