How is "Available" calculated for tmpfs?
Issue
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How available /tmp is calculated
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/tmp should 950m free and MemFree only shows 642M free. We would like to know how free space in /tmp is calculated base on the free memory.
# more /proc/meminfo
MemTotal: 264494360 kB
MemFree: 642216 kB
...
# df /tmp
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 2097152 1147068 950084 55% /tmp
Environment
- Red Hat Enterprise Linux [ALL]
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