On Friday 08 August 2008, Dave Hansen wrote:
>
> diff -puN ckpt/ckpt_hdr.h~memory_part ckpt/ckpt_hdr.h
> --- linux-2.6.git/ckpt/ckpt_hdr.h~memory_part 2008-08-05 08:37:29.000000000
> -0700
> +++ linux-2.6.git-dave/ckpt/ckpt_hdr.h 2008-08-05 08:37:29.000000000
> -0700
> @@ -67,3 +67,24 @@ struct cr_hdr_task {
> };
>
>
> +
> +struct cr_hdr_mm {
> + __u32 tag; /* sharing identifier */
> + __u64 start_code, end_code, start_data, end_data;
> + __u64 start_brk, brk, start_stack;
> + __u64 arg_start, arg_end, env_start, env_end;
> + __s16 map_count;
> +};
Another structure that is not 32/64 bit ABI safe on x86. It would be safe
if you reorder the members as
struct cr_hdr_mm {
__u32 tag; /* sharing identifier */
__s16 map_count;
__u16 pad; /* not actually needed, but better to make it explicit */
__u64 start_code, end_code, start_data, end_data;
__u64 start_brk, brk, start_stack;
__u64 arg_start, arg_end, env_start, env_end;
};
> +struct cr_hdr_vma {
> + __u32 how;
> +
> + __u64 vm_start;
> + __u64 vm_end;
> + __u64 vm_page_prot;
> + __u64 vm_flags;
> + __u64 vm_pgoff;
> +
> + __s16 npages;
> + __s16 namelen;
> +};
same here.
Arnd <><
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