Function _migrate_and_release_varea

components/mm/mm_aspace.c:339–354

}

rt_inline rt_err_t _migrate_and_release_varea(rt_aspace_t aspace, rt_varea_t to, rt_varea_t from,
    rt_err_t (*on_varea_merge)(struct rt_varea *to, struct rt_varea *from))
{
    rt_err_t error;
    error = on_varea_merge(to, from);
    if (error == RT_EOK)
    {
        /* uninstall operand & release the varea */
        _aspace_bst_remove(aspace, from);
        to->size += from->size;

        if (VAREA_NOT_STATIC(from))
            rt_free(from);
    }
    return error;
}

static rt_varea_t _merge_surrounding(rt_aspace_t aspace, rt_varea_t operand,
                               struct _mapping_property *prop)