[Crash-utility] [PATCH] arm64: support MAX_PHYSMEM_BITS=48

[Dave Anderson]

----- Original Message -----
> Hi,
> 
> This match update made in file 'arch/arm64/include/asm/sparsemem.h'.
> 
> commit 07a15dd55a3d65f81b4b09eab293f4afc720b082
> arm64: mm: update max pa bits to 48

Johan,

Queued for crash-7.1.5:

  https://github.com/crash-utility/crash/commit/956e309ff182c39c3c666c3ab32b3b6cbc73a081

Thanks,
  Dave


> ---
>  arm64.c | 5 ++++-
>  defs.h  | 1 +
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arm64.c b/arm64.c
> index d1c9c3e..34c8c59 100644
> --- a/arm64.c
> +++ b/arm64.c
> @@ -267,7 +267,10 @@ arm64_init(int when)
>         case POST_GDB:
>                 arm64_calc_virtual_memory_ranges();
>                 machdep->section_size_bits = _SECTION_SIZE_BITS;
> -               machdep->max_physmem_bits = _MAX_PHYSMEM_BITS;
> +               if (THIS_KERNEL_VERSION >= LINUX(3,17,0))
> +                       machdep->max_physmem_bits = _MAX_PHYSMEM_BITS_3_17;
> +               else
> +                       machdep->max_physmem_bits = _MAX_PHYSMEM_BITS;
>                 ms = machdep->machspec;
>  
>                 if (THIS_KERNEL_VERSION >= LINUX(4,0,0)) {
> diff --git a/defs.h b/defs.h
> index a1746cc..a09fa9a 100644
> --- a/defs.h
> +++ b/defs.h
> @@ -2965,6 +2965,7 @@ typedef signed int s32;
>  
>  #define _SECTION_SIZE_BITS      30
>  #define _MAX_PHYSMEM_BITS       40
> +#define _MAX_PHYSMEM_BITS_3_17  48
>  
>  typedef unsigned long long __u64;
>  typedef unsigned long long u64;
> --
> 2.4.2
> 
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