libct/dmz: Support compiling on all arches #5206

Job	Run time
cross-i386	1m 39s
cross-i386 (runc_nodmz)	1m 12s
test (ubuntu-20.04, 1.20.x, rootless, -race)	9m 1s
test (ubuntu-20.04, 1.20.x, rootless)	7m 13s
test (ubuntu-20.04, 1.20.x, -race)	8m 18s
test (ubuntu-20.04, 1.20.x)	7m 14s
test (ubuntu-20.04, 1.21.x, rootless, -race)	9m 18s
test (ubuntu-20.04, 1.21.x, rootless)	6m 58s
test (ubuntu-20.04, 1.21.x, -race)	7m 14s
test (ubuntu-20.04, 1.21.x)	5m 59s
test (ubuntu-20.04, 1.21.x, criu-dev)	6m 22s
test (ubuntu-22.04, 1.20.x, rootless, -race)	10m 43s
test (ubuntu-22.04, 1.20.x, rootless, -race, runc_nodmz)	10m 50s
test (ubuntu-22.04, 1.20.x, rootless)	10m 9s
test (ubuntu-22.04, 1.20.x, rootless, runc_nodmz)	12m 25s
test (ubuntu-22.04, 1.20.x, -race)	8m 13s
test (ubuntu-22.04, 1.20.x, -race, runc_nodmz)	9m 43s
test (ubuntu-22.04, 1.20.x)	7m 50s
test (ubuntu-22.04, 1.20.x, runc_nodmz)	8m 25s
test (ubuntu-22.04, 1.21.x, rootless, -race)	12m 6s
test (ubuntu-22.04, 1.21.x, rootless, -race, runc_nodmz)	13m 3s
test (ubuntu-22.04, 1.21.x, rootless)	13m 14s
test (ubuntu-22.04, 1.21.x, rootless, runc_nodmz)	12m 25s
test (ubuntu-22.04, 1.21.x, -race)	9m 14s
test (ubuntu-22.04, 1.21.x, -race, runc_nodmz)	9m 30s
test (ubuntu-22.04, 1.21.x)	8m 5s
test (ubuntu-22.04, 1.21.x, runc_nodmz)	7m 13s
test (ubuntu-22.04, 1.21.x, criu-dev)	7m 51s
	4h 1m 27s

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