[CentOS] Memory recognition in 6.2
John R Pierce
pierce at hogranch.com
Tue Jun 19 23:59:08 UTC 2012
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
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