daniel-garcia/go-procfs — pull request #3 by wplu (2014-06-19 15:05:55+00:00)
Title: add DirectMap1G to meminfo

ISSUE:
```
2014/06/19 09:51:11 ignoring unknown meminfo field DirectMap1G
```
would like to add DirectMap1G to meminfo
```
# plu@plu-9: grep DirectMap /proc/meminfo
DirectMap4k: 163988 kB
DirectMap2M: 7100416 kB
DirectMap1G: 26214400 kB
```