[CRIU] Restoring failed on ARMv7

[Pavel Emelyanov]

> pie: Switched to the restorer 9461
> pie: Error (pie/restorer.c:773): Unable to unmap (0x76c83000-0xbf000000): -22

Here it is. Any ideas why unmap(0x76c83000 - 0xbf000000) might fail with EINVAL?

-- Pavel