On Fri, Jan 25, 2019 at 09:45:18PM +0800, Dave Young wrote:
> AFAIK, some people prefer to explictly reserve crash memory at high
> region even if it is possible to reserve at low area. May because
> <4G memory is limited on large server, they want to leave this for other
> use.
>
> Yinghai or Vivek should know more about the history, probably they can
> recall some initial reason.
Yes, just "prefer" is not good enough. There should be a technical
reason why that's there.
Also, if the user doesn't care, then the code should be free to force
"high" and thus probe a different range for allocation.
> Good question, still it may be some historical reason, but it is good to
> make them clear and rethink about it after long time.
>
> I also want to understand, need dig the log more.
Good idea. That would be a very nice cleanup. :-)
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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