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SubjectRe: Idea about a disc backed ram filesystem
Date
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Matheus Izvekov <mizvekov@gmail.com> wrote:

[...]

> I had a somewhat similar idea, once i have time to implement it ill
> submit a patch.
> My idea consisted of adding the capability to specify a device for
> tmpfs mounting. if you dont specify any device, tmpfs continues to
> behave the way it currently is. But if you do, once data doesnt fit on
> ram (or some other limit) anymore, it will flush things to this
> device. my intention was to reuse swap code for this, so you mount a
> tmpfs passing the dev node of some unused swap device, and it works
> just like tmpfs with a dedicated swap partition.

tmpfs does use swap currently. Giving tmpfs a dedicated swap space is dumb,
as it takes away the possibility of using that space for swapping when not
in use by tmpfs (and viceversa).
--
Dr. Horst H. von Brand User #22616 counter.li.org
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