Re: 64 Bit Linux shows 4GB... was Using all of 4GB RAM...

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Oct 2, 2008 at 2:37 AM, Theodore Papadopoulo
<Theodore.Papadopoulo@xxxxxxxxxxxxxxx> wrote:
> Linuxguy123 wrote:
>>
>> Dennis Gilmore suggested that I boot a 64 bit Live CD to see what it
>> said about memory usage.  So I did:
>>
>> [fedora@localhost ~]$ free -m
>>             total       used       free     shared    buffers
>> cached
>> Mem:          3969       1286       2682          0        143
>> 827
>> -/+ buffers/cache:        315       3654
>> Swap:         1992          0       1992
>>
>> Here is what it looks like under my 32 bit installation:
>>
>> $ free -m
>>             total       used       free     shared    buffers
>> cached
>> Mem:          3034        978       2055          0         33
>> 619
>> -/+ buffers/cache:        326       2708
>> Swap:         1992          0       1992
>>
>> I appear to gain 935MB of RAM running the 64 bit version.  This is in
>> spite of the spec sheet on my laptop saying:
>>
>
> Could it be simply that free does not show the space needed by the
> kernel.... which needs (at least some parts of it)
> to be constantly in memory. I do not think that 127Mb is such a big price to
> pay for the kernel. Note that to use your
> memory in a single process you need x86-64. The standard x86 linux limits
> the processes memory to 2Gb.
>
> --
> fedora-list mailing list
> fedora-list@xxxxxxxxxx
> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
> Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
>

If you run the PAE kernel, then all of your memory will be seen and
used by the OS.  It is what I use when I use a desktop system so that
I do not have to deal with x86_64 type desktop issues.

-- 
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [Fedora Magazine]     [Fedora News]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Maintainers]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Legacy]     [Fedora Desktop]     [Fedora Fonts]     [ATA RAID]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [SSH]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Centos]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Tux]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Asterisk PBX]     [Fedora Sparc]     [Fedora Universal Network Connector]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux