[CentOS] Memory recognition in 6.2

Tue Jun 19 23:59:08 UTC 2012
John R Pierce <pierce at hogranch.com>

On 06/19/12 4:13 PM, Hugh E Cruickshank wrote:
> From: Joseph L. Casale Sent: June 19, 2012 15:52
>>> > >  title CentOS (2.6.32-220.17.1.el6.i686)
>>> > >          root (hd0,0)
>>> > >          kernel /vmlinuz-2.6.32-220.17.1.el6.i686 ro [SNIP]
>>> > >          initrd /initramfs-2.6.32-220.17.1.el6.i686.img
>>> > >          mem=26624M
>> >
>> >Do i read that right? 26g of ram and you're using a non PAE
>> >x86 kernel?
> It was my understanding that PAE is now built into the standard kernel
> but I will check on this further.

If I recall correctly, PAE is limited to 16GB because the page tables 
are obscenely huge for more than that, and use over a gigabyte of the 
32bit kernel space





-- 
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast