[CRIU] VM_IO or VM_PFNMAP mappings

[Pavel Emelyanov]

On 10/28/2014 11:14 AM, Cyrill Gorcunov wrote:
> On Mon, Oct 27, 2014 at 09:31:31PM -0400, Sowmini Varadhan wrote:
>> On (10/27/14 16:38), Cyrill Gorcunov wrote:
>>>
>>> Compat mode support (ie 32bit executables running on 64bit kernel)
>>> is not yet implemented, so I wouldn't recommend to run such binaries
>>> if c/r needed. As to mappings -- IO | PFN mappings currently supported
>>> by the criu for vdso vvar area only. What kernel version it is?
>>> Could you please attach "cat /proc/<pidof-iperf-server>/maps" output?
>>
>> indeed, you are right.
>>
>> I just rebuilt my kernel and tried the 64 bit iperf again. The smaps for the 
>> VmFlags still has "pf" and "io", but the criu dump works ok
>> in this case. I'm attaching the maps file for the curious.
> 
> OK, great, good to know.
> .

Cyrill, we have dedicated check for 32-bit app, why in Sowmini's case
we detect 32-bit task in such a strange manner?