[CRIU] [PATCH 12/23] cr-restore.c: use TASK_SIZE instead of TASK_SIZE_MAX

[Pavel Emelyanov]

On 01/14/2013 11:25 AM, Alexander Kartashov wrote:

It was done deliberately. Andrey, help us, what do we need this
off-one-page here?

> 
> Signed-off-by: Alexander Kartashov <alekskartashov at parallels.com>
> ---
>  cr-restore.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/cr-restore.c b/cr-restore.c
> index 172b61b..7bdbc3a 100644
> --- a/cr-restore.c
> +++ b/cr-restore.c
> @@ -1260,7 +1260,6 @@ int cr_restore_tasks(pid_t pid, struct cr_options *opts)
>  	return restore_root_task(root_item, opts);
>  }
>  
> -#define TASK_SIZE_MAX   ((1UL << 47) - PAGE_SIZE)
>  static long restorer_get_vma_hint(pid_t pid, struct list_head *tgt_vma_list,
>  		struct list_head *self_vma_list, long vma_len)
>  {
> @@ -1268,7 +1267,7 @@ static long restorer_get_vma_hint(pid_t pid, struct list_head *tgt_vma_list,
>  	long prev_vma_end = 0;
>  	struct vma_area end_vma;
>  
> -	end_vma.vma.start = end_vma.vma.end = TASK_SIZE_MAX;
> +	end_vma.vma.start = end_vma.vma.end = TASK_SIZE;
>  	prev_vma_end = PAGE_SIZE * 0x10; /* CONFIG_LSM_MMAP_MIN_ADDR=65536 */
>  
>  	s_vma = list_first_entry(self_vma_list, struct vma_area, list);
>