[arch-general] swap and tmpfs

Sean Greenslade sean at seangreenslade.com
Thu Apr 23 19:37:00 UTC 2015

On April 23, 2015 9:52:11 AM CDT Ralf Mardorf <ralf.mardorf at rocketmail.com> wrote:
>this line in fstab
>$ grep tmp /etc/fstab 
>tmpfs   /tmp         tmpfs   nodev,nosuid,size=3G          0  0
>usually is commented out. One time it was needed, when building a
>kernel failed. Today building Firefox failed. I'll try with 3G
>again, instead of half of the memory (1.9G), after a restart, to safely
>clean tmp first.
>I suspect that if the RAM size doesn't fit, swap isn't used?!

To be clear, swap is used for tmpfs if available ram is exhausted. The tmpfs still obeys the mount option for max size regardless.


Sent from my Android device with K-9 Mail. Please excuse my brevity.

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