we exit from the `reserve_ebda_region` function if paravirtualization is enabled because if it enabeled the extended bios data are is absent. In the next step we need to get the end of the low memory:
we exit from the `reserve_ebda_region` function if paravirtualization is enabled because if it enabled the extended bios data area is absent. In the next step we need to get the end of the low memory:
```C
lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);