K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2019-09-19T22:15:57.555496Z
K 7
svn:log
V 416
Improve ioat(4) NUMA-awareness.

Allocate ioat->ring memory from the device domain.
Schedule ioat->poll_timer to the first CPU of the device domain.

According to pcm-numa tool from intel-pcm port, this reduces number of
remote DRAM accesses while copying data by 75%.  And unless it is a noise,
I've noticed some speed improvement when copying data to other domain.

MFC after:	1 week
Sponsored by:	iXsystems, Inc.

END