64 Bit Linux shows 4GB... was Using all of 4GB RAM...
Gene Heskett
gene.heskett at verizon.net
Thu Oct 2 14:44:16 UTC 2008
On Thursday 02 October 2008, Adam Hough wrote:
>On Thu, Oct 2, 2008 at 2:37 AM, Theodore Papadopoulo
>
><Theodore.Papadopoulo at sophia.inria.fr> 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 at 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.
>>
>> --
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>
>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.
I am now running it, seems fine. Now if we could figgur out why grub takes
about a minute to present the boot menu.
I did just now update the bios, and now the blinking display if using the hdmi
cable for about the first 5 minutes seems to be gone.
Thanks.
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
system consumed all the paper for paging
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