[PATCH v6 9/9] x86: Pass memory range via E820 for kdump

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> 
> It comes to me that in the future there are two places that can be
> improved or cleaned up. I summarize them as the followings:
> 
> - clean up cmdline_add_memmap and cmdline_add_memmap_acpi
> - Dropping hard limitation memory maps, like CRASH_MAX_MEMMAP_NR

Hmm, kernel E820MAX is 128 in case non EFI like below, likely 1024
is enough, so keep current limitation is good:

#ifdef CONFIG_EFI
#include <linux/numa.h>
#define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES)
#else   /* ! CONFIG_EFI */
#define E820_X_MAX E820MAX
#endif

> 
> Do you have additional issues needed to be addressed?

Another in mind is using one array for both 1st kernel and 2nd kernel
if possible.

Thanks
dave



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