Add "--mem-usage" support for s390x

[Baoquan He]

On 09/22/14 at 05:02pm, Michael Holzheu wrote:
> Hello Baoquan,
> 
> I looked into your patches and tried to add s390x support.
> 
> My naive approach was to just enable the is_vmalloc_addr()
> for s390x:
> 
> --- a/makedumpfile.h
> +++ b/makedumpfile.h
> @@ -814,13 +814,15 @@ unsigned long long vaddr_to_paddr_ppc(un
>  #endif          /* powerpc32 */
> 
>  #ifdef __s390x__ /* s390x */
> +int is_vmalloc_addr_s390x(ulong vaddr);
>  int get_machdep_info_s390x(void);
>  unsigned long long vaddr_to_paddr_s390x(unsigned long vaddr);
>  #define get_phys_base()        TRUE
>  #define get_machdep_info()     get_machdep_info_s390x()
>  #define get_versiondep_info()  TRUE
>  #define vaddr_to_paddr(X)      vaddr_to_paddr_s390x(X)
> -#define is_vmalloc_addr(X)     TRUE
> +#define is_vmalloc_addr(X)     is_vmalloc_addr_s390x(X)
>  #endif          /* s390x */
> 
>  #ifdef __ia64__ /* ia64 */

Hi Michael, 

Please alse provide a get_versiondep_info_s390x since page_offset is
needed in set_kcore_vmcoreinfo() and other information need it too, such
as VMALLOC_START/VMEMMAP_START/MODULES_VADDR, if you want to provide a
is_vmalloc_addr_s390x before initial() is called.


Thanks
Baoquan