Function rt_page_ref_get

components/mm/mm_page.c:779–790

}

int rt_page_ref_get(void *addr, rt_uint32_t size_bits)
{
    struct rt_page *p;
    rt_base_t level;
    int ref;

    p = rt_page_addr2page(addr);
    level = rt_spin_lock_irqsave(&_pgmgr_lock);
    ref = _pages_ref_get(p, size_bits);
    rt_spin_unlock_irqrestore(&_pgmgr_lock, level);
    return ref;
}

void rt_page_ref_inc(void *addr, rt_uint32_t size_bits)
{