Re: [Patch 0/7] Implement crashkernel=auto

Andi Kleen
2009-08-07T21:03:11Z

> As an initial approximation I would use a 32nd of low memory.

That means a 1TB machine will have a 32GB crash kernel.

Surely that's excessive?!?

It would be repeating all the same mistakes people made with hash tables
several years ago.

>
> That can be written to (with enough privileges when no crash kernel is
> loaded) reduce the amount of memory reserved by the crash kernel.
>
> Bernhard does that sound useful to you?
>
> Amerigo does that seem reasonable?

It doesn't sound reasonable to Andi.

Why do you even want to grow the crash kernel that much? Is there
any real problem with a 64-128MB crash kernel?

-Andi
>

--
ak@linux.intel.com -- Speaking for myself only.