MBOCHS_MEMORY_BAR_OFFSET
region_info->offset = MBOCHS_MEMORY_BAR_OFFSET;
} else if (pos >= MBOCHS_MEMORY_BAR_OFFSET &&
MBOCHS_MEMORY_BAR_OFFSET + mdev_state->memsize) {
if (vma->vm_pgoff != MBOCHS_MEMORY_BAR_OFFSET >> PAGE_SHIFT)