[CentOS] 4gb ram shows as 3.3gb

[Tim Verhoeven]

On 7/26/07, Nick <list at everywhereinternet.com> wrote:
>
> yum install kernel-PAE
>
> <reboot>
>
> [root at ubercore1 ~]# uname -a
> Linux ubercore1 2.6.18-8.1.8.el5PAE #1 SMP Tue Jul 10 07:50:36 EDT 2007
> i686 i686 i386 GNU/Linux
> [root at ubercore1 ~]# free
>              total       used       free     shared    buffers     cached
> Mem:       4149852     251852    3898000          0      12500     141792
> -/+ buffers/cache:      97560    4052292
> Swap:      6291448          0    6291448
>
> Fixed!
>
> Is there anything i should know about the PAE kernel... like it self
> destructs after migrating 2000 users over to it? ;)

Nothing that I can think of. Only that using PAE mode incurs a small
performance penalty because of extra address translations. But
functionally it's identical to a normal kernel.

Regards,
Tim

-- 
Tim Verhoeven - dj at rootshell.be - 0479 / 88 11 83

Hoping the problem  magically goes away  by ignoring it is the
"microsoft approach to programming" and should never be allowed.
(Linus Torvalds)