topology-aware: don't use HBM implicitly.

Don't assign HBM memory implicitly for containers not asking
for any particular memory type. Ideally we either should make
this configurable, or teach the memory allocator to fall back
using special memory if the allocation would otherwise fail.

Signed-off-by: Krisztian Litkey <krisztian.litkey@intel.com>

cmd/plugins/topology-aware/policy/resources.go

@@ -977,7 +977,7 @@ func newRequest(container cache.Container) Request {
 		container.PrettyName(), cpuType, full, fraction, isolate, prio)
 
 	if mtype == memoryUnspec {
-		mtype = defaultMemoryType
+		mtype = defaultMemoryType &^ memoryHBM
 	}
 
 	if mtype&memoryPMEM != 0 && mtype&memoryDRAM != 0 {