Function _find_page_region

components/mm/mm_page.c:275–298

}

static struct installed_page_reg *_find_page_region(rt_ubase_t page_va)
{
    struct installed_page_reg *iter;
    struct installed_page_reg *rc = RT_NULL;
    rt_bool_t found = RT_FALSE;

    rt_spin_lock(&_inst_page_reg_lock);
    for (iter = _inst_page_reg_head; iter; iter = iter->next)
    {
        if (page_va >= iter->region_area.start &&
            page_va < iter->region_area.end)
        {
            found = RT_TRUE;
            break;
        }
    }
    rt_spin_unlock(&_inst_page_reg_lock);

    if (found)
    {
        rc = iter;
    }
    return rc;
}

rt_bool_t rt_page_is_member(rt_base_t page_pa)
{