HW Platform



Source Code Tree



Kernel 2.4



Kernel 2.6

and later



Linux x86 (IA32)



i386



4 MB



2 MB



Linux x86-64 (AMD64, EM64T)



x86_64



2 MB



2 MB



Linux Itanium (IA64)



ia64



256 MB



256 MB



IBM Power Based Linux (PPC64)



ppc64/powerpc



N/A **



16 MB



IBM zSeries Based Linux



s390



N/A



1 MB



IBM S/390 Based Linux



s390



N/A



N/A