[PATCH 18/19] arm64: kdump: update a kernel doc

[Dave Young]

On 01/25/16 at 11:19am, Dave Young wrote:
> Hi, AKASHI
> 
> > >To place "elfcorehdr=" or "memmap="/"usable-memory=" into the command
> > >line, one needs to know where it is valid to place it. Appending doesn't
> > >always work, as per the example above with 51e158c12aca3c9a.
> > 
> > So, are you now suggesting that we put both "elfcorehdr=" and
> > "usable-memory=" under /chosen in dtb? That's fair enough.
> > (as far as nobody cares about incompatibility with other archs.)
> 
> You may need move is_kdump_kernel as a weak function so that in arm64 you
> can still use it in kdump kernel.

Ignore the comment please, you just use a different way to set the variable
is_kdump_kernel will still work..

It is pretty fine to use dtb along with usable memories then.

Thanks
Dave