Function _do_pages_alloc_noaff

components/mm/mm_page.c:881–910

}

static void *_do_pages_alloc_noaff(rt_uint32_t size_bits, size_t flags)
{
    void *rc = RT_NULL;

    if (size_bits < AFFID_BLK_BITS)
    {
        int try_affid = _get_balanced_id(size_bits);
        size_t numof_id = AFFID_NUMOF_ID_IN_SET(size_bits);
        size_t valid_affid_mask = numof_id - 1;

        for (size_t i = 0; i < numof_id; i++, try_affid += 1 << size_bits)
        {
            rc = _do_pages_alloc(size_bits, flags, try_affid & valid_affid_mask);
            if (rc)
            {
                break;
            }
        }
    }
    else
    {
        rc = _do_pages_alloc(size_bits, flags, 0);
    }

    if (!rc)
    {
        RT_ASSERT(0);
    }
    return rc;
}

void *rt_pages_alloc(rt_uint32_t size_bits)
{