/* Check parameters */
if ((addr & ~PAGE_MASK) || (len & ~PAGE_MASK) ||
- addr >= mm->context.addr_limit || len >= mm->context.addr_limit ||
- addr + len > mm->context.addr_limit)
+ addr >= mm->task_size || len >= mm->task_size ||
+ addr + len > mm->task_size)
return -EINVAL;
if (is_hugepage_only_range(mm, addr, len))