Bug#987316: initscripts: tmpfs has wrong size

Roger Lynn Roger at rilynn.me.uk
Wed Apr 21 17:43:04 BST 2021

On 21/04/2021 16:56, Thorsten Glaser wrote:
> To “provide no value” you have to actually do…
> … in /etc/defaults/tmpfs because the commented-out value is default.
> Perhaps rewording tmpfs(5) to say “If this is explicitly set to the
> empty string, the kernel default…” is in order?

Thanks for the clarification. I think that reduces this bug to "Why is my 
tmpfs set to 20% of physical RAM rather than 20% of total virtual memory?" 
(And the rewording of the manual page would be nice too.)

I've now tried uncommenting the default TMPFS_SIZE line, and that makes no 
difference. An empty value does give 50% of physical RAM, as expected based 
on Thorsten's explanation.



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