Think Jamie is right.
I have observed behaviour were this file grows based on accessed memory
(would this be kernel shared mem params?)
But it is definitely not just size of physical RAM+4KB on a machine.
gayathri
On Sat, Aug 2, 2008 at 3:54 PM, Astarta <astarta(a)rat.ru> wrote:
Jamie Levy wrote:
> Hello,
>
> I know this list has been rather quiet for a while... so I might as
> well ask a question :-)
>
Hello,
I really thought that this list is completely dead :-)
> This does not seem to be the case, however, when I do a listing in
> /proc/kcore on my machine (F8) which has 2 GB of memory:
>
> ls -lh /proc/kcore
> -r-------- 1 root root 897M 2008-08-01 19:05 /proc/kcore
>
> I have confirmed the same type of results on other machines to which I
> have access. I also do not seem to have the kcore.h file on my system
> (and I have kernel-devel installed), since it is a zero byte file:
>
> -rw-r--r-- 1 root root 0 2008-07-21 02:05
> /usr/src/kernels/2.6.25.11-60.fc8-i686/include/config/proc/kcore.h
>
>
As far as I know, the size of kcore is equal not to the size of _all_
physical memory installed on the machine, but just to the amount of memory
accessible by kernel.
Your kernel seems to be compiled with HIGHMEM support, and if you do `ls -l
/proc/kcore` you see your LOWMEM size, the real memory that the kernel uses.
That the reason why the difference you mentioned comes.
Someone will correct me, if I'm wrong :)
> All the best,
>
> -Jamie Levy
>
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>
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>
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with best regards,
Fadeeva Marina.
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Gayathri Swaminathan
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