Take a look at chapter 1 of the "LINUX for S/390 ELF Application Binary Interface Supplement" that can be had at:
http://www10.software.ibm.com/developerworks/opensource/linux390/docu/l390ab i0.pdf You want to look at page 16. It might help... > -----Original Message----- > From: Jim Sibley [mailto:[EMAIL PROTECTED] > Sent: Friday, July 18, 2003 5:35 PM > To: [EMAIL PROTECTED] > Subject: How Linux is actually loaded into memory? > > > How is 31bit Linux actually loaded into memory in a 2 GB LPAR > or EC? How > are the addresses mapped? > > How would a 64bit Linux be loaded in a 3 GB LPAR or EC? > > I have a user that was told > "With 31-bit, Zlinux offers 2GB of addressing space, we were > told that "the > system libraries for linux are loaded right in the middle of > the address > space, which left you with about 700MB of shared memory on > either side of > the address space for your application software". > > > Regards, Jim > Linux S/390-zSeries Support, SEEL, IBM Silicon Valley Labs > t/l 543-4021, 408-463-4021, [EMAIL PROTECTED] > *** Grace Happens *** >
