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SubjectRe: [PATCHv7] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr
On Sun, Feb 24, 2019 at 09:25:18PM +0800, Pingfan Liu wrote:
> Maybe I misunderstood you, but does "requested range failed" mean that
> user specify the range? If yes, then it should be the duty of user as
> you said later, not the duty of kernel"

No, it should say that it selected a different range only when the user
didn't specify it. Which would mean that the user didn't care about the
range - she/he only wanted to have *any* crashkernel range reserved.
I.e., crashkernel=X invocation.

> We do not know the memory layout of a system, maybe a system with
> memory less than 4GB. So it is better to try all the range of system
> memory.

Ok. If 4G fails, you set high and then try again.

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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