On Fri, Dec 10, 2021 at 02:55:28PM +0800, Zhen Lei wrote:
> + * reserve_crashkernel() - reserves memory for crash kernel
> + *
> + * This function reserves memory area given in "crashkernel=" kernel command
> + * line parameter. The memory reserved is used by dump capture kernel when
> + * primary kernel is crashing.
> + */
> +void __init reserve_crashkernel(void)
As I've already alluded to in another mail, ontop of this there should
be a patch or multiple patches which clean this up more and perhaps even
split it into separate functions doing stuff in this order:
1. Parse all crashkernel= cmdline options
2. Do all crash_base, crash_size etc checks
3. Do the memory reservations
And all that supplied with comments explaining why stuff is being done.
This set of functions is a mess and there's no better time for cleaning
it up and documenting it properly than when you move it to generic code.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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