On Fri, Oct 28, 2022 at 04:22:54PM -0500, Eric DeVolder wrote:
> /*
> * For the kexec_file_load() syscall path, specify the maximum number of
> * memory regions that the elfcorehdr buffer/segment can accommodate.
> * These regions are obtained via walk_system_ram_res(); eg. the
> * 'System RAM' entries in /proc/iomem.
> * This value is combined with NR_CPUS and multiplied by sizeof(Elf64_Phdr)
NR_CPUS_DEFAULT
> * to determine the final elfcorehdr memory buffer/segment size.
> * The value 8192, for example, covers a (sparsely populated) 1TiB system
> * consisting of 128MiB memblock size, while resulting in an elfcorehdr
> * memory buffer/segment size under 1MiB.
... and it is a sane choice trying to accomodate both actual baremetal
and VM configurations."
Yeah, it's a good start.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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