[PATCH v4 04/12] ppc64/kexec_file: avoid stomping memory used by special regions

Thiago Jung Bauermann bauerman at linux.ibm.com
Thu Jul 23 18:19:41 EDT 2020


Hari Bathini <hbathini at linux.ibm.com> writes:

> crashkernel region could have an overlap with special memory regions
> like  opal, rtas, tce-table & such. These regions are referred to as
> exclude memory ranges. Setup this ranges during image probe in order
> to avoid them while finding the buffer for different kdump segments.
> Override arch_kexec_locate_mem_hole() to locate a memory hole taking
> these ranges into account.
>
> Signed-off-by: Hari Bathini <hbathini at linux.ibm.com>

Reviewed-by: Thiago Jung Bauermann <bauerman at linux.ibm.com>

-- 
Thiago Jung Bauermann
IBM Linux Technology Center



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