On Fri, Mar 30, 2007 at 03:08:50PM +0300, Markku K Kymalainen wrote: > What happens if setting 4 GB memory for zLinux machine running SLES 8 s390 > kernel (not s390x) on zVM V4.4 ? > Can kernel use memory over 2 GB and if yes what will it do with it ?
The 31-bit kernel cannot make use of more than 1920MB. The address range from 1920MB to 2GB is used for the vmalloc area, where e.g. modules get loaded. So everything above 1920MB won't be used. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
