Am Mon, 5 Jul 2021 10:23:00 +0200 schrieb Jan Beulich : > I see. A similar problem then exists with at least the FIFO event > channel per-vCPU control blocks? I have not done any debugging how the pages differ and what they are actually used for. My guess was that it might be activity from the backends, particularly netback. I found no API to query the usage of a page, so I declared the interface broken.. Olaf