Function rt_page_bits

components/mm/mm_page.c:436–450

}

rt_size_t rt_page_bits(rt_size_t size)
{
    int bit = sizeof(rt_size_t) * 8 - rt_hw_clz(size) - 1;

    if ((size ^ (1UL << bit)) != 0)
    {
        bit++;
    }
    bit -= ARCH_PAGE_SHIFT;
    if (bit < 0)
    {
        bit = 0;
    }
    return bit;
}

struct rt_page *rt_page_addr2page(void *addr)
{