Re: [PATCH] arm64: crash_core: Export MODULES, VMALLOC, and VMEMMAP ranges

[Will Deacon]

On Wed, Feb 09, 2022 at 09:26:42AM +0000, Huang Shijie wrote:
> The following interrelated ranges are needed by the kdump crash tool:
> 	MODULES_VADDR ~ MODULES_END,
> 	VMALLOC_START ~ VMALLOC_END,
> 	VMEMMAP_START ~ VMEMMAP_END
> 
> Since these values change from time to time, it is preferable to export
> them via vmcoreinfo than to change the crash's code frequently.

Please can you explain _why_ they are needed?

Will