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Bug#838919: debian-installer: please calculate swap parition according to max RAM supported by the motherboard

On Mon, Sep 26, 2016 at 05:06:18PM +0300, Martin-Éric Racine wrote:
> Package: debian-installer
> Severity: wishlist
> As far as I can tell, d-i calculates the size of the swap partition according to the curently installed amount of RAM.
> Whenever the RAM is upgraded later on, the swap parition no longer fulfills its intended purpose, in cases when it would be needed to store hibernate images, since the parition was calculated to store a much smaller RAM image.
> A more desirable method would be for d-i to use 'dmidecode' to probe the system's memory controller for the maximum amount of RAM that is supported and to calculate the swap partition size according to that.

Of course many people never upgrade their ram, and often going beyond 50%
of maximum gets very expensive.

Also many people never suspend.

Also dmidecode is x86 only and some older systems didn't have it, so it
wouldn't help the majority of architectures.

So while it is an idea, I am not convinced it doesn't actually create

Besides I could move the disk to a new system later which could have
even more ram, so even making it as large as dmidecode says won't solve
all cases.  I would think that case is at least as likely as maxing out
the ram in a machine is.

Len Sorensen

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