used memory not match free command on centos7

[wanghaiqing2015]

os: centos 7.1
psutil version : psutil (5.2.2)

---

[root@test sysmon-1.0.1]# free -b
total used free shared buff/cache available
Mem: 1018978304 578482176 101789696 9592832 338706432 264282112
Swap: 4095733760 348106752 3747627008

[root@test sysmon-1.0.1]# python
Python 2.7.5 (default, Nov 6 2016, 00:28:07)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import psutil
psutil.virtual_memory()
svmem(total=1018978304, available=257376256, percent=74.7, used=613167104, free=94851072, active=335736832, inactive=399966208, buffers=0, cached=310960128, shared=9592832)

[wanghaiqing2015]

578482176
and
613167104

[wanghaiqing2015]

？？？

[giampaolo]

What's the output of free -V?

[giampaolo]

Bump?

[giampaolo]

Closing as outdated.