[Crash-utility] [PATCH] [kdump] Find the PAGESIZE from VMCOREINFO

[Suzuki K. Poulose]

Dave Anderson wrote:

> I'd prefer to use the pre-existing page-size-from-vmcoreinfo algorithm
> by applying it to PPC and 32-bit ELF kdumps.  Can you try the attached
> patch?

> --- crash-6.0.2/netdump.c.orig
> +++ crash-6.0.2/netdump.c
> @@ -52,7 +52,7 @@ static void kdump_get_osrelease(void);
>   * which can differ from the host machine's page size.
>   */
>  #define READ_PAGESIZE_FROM_VMCOREINFO() \
> -	(machine_type("IA64") || machine_type("PPC64"))
> +	(machine_type("IA64") || machine_type("PPC64") || machine_type("PPC"))
>
>  /*
>   * kdump installs NT_PRSTATUS elf notes only to the cpus
> @@ -1740,6 +1740,9 @@ dump_Elf32_Nhdr(Elf32_Off offset, int st
>  			netdump_print("(unused)\n");
>  			nd->vmcoreinfo = (char *)(ptr + note->n_namesz + 1);
>  			nd->size_vmcoreinfo = note->n_descsz;
> +			if (READ_PAGESIZE_FROM_VMCOREINFO() && store)
> +				nd->page_size = (uint)
> +					vmcoreinfo_read_integer("PAGESIZE", 0);
>  		} else if (eraseinfo) {
>  			netdump_print("(unused)\n");
>  			if (note->n_descsz)
>
>

I tested the above patch and it works fine. You may push this in.

Thanks
Suzuki