K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2017-05-13T13:01:15.050914Z
K 7
svn:log
V 333
Add the VM_MEMATTR_WRITE_THROUGH memory type to arm64 and use it to support
VM_MEMATTR_WRITE_COMBINING in the kernel. This fixes a bug where Xorg would
use write back cached memory for its graphics buffers. This would produce
artifacts on the screen as cachelines were written to memory.

MFC after:	1 week
Sponsored by:	DARPA, AFRL

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