[Fedora Women] question about /proc/kcore

[Gayathri Swaminathan]

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 at 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
>>
>> _______________________________________________
>> Fedora-women-list mailing list
>> Fedora-women-list at redhat.com
>> https://www.redhat.com/mailman/listinfo/fedora-women-list
>>
>
>
> --
> with best regards,
> Fadeeva Marina.
>
>
> _______________________________________________
> Fedora-women-list mailing list
> Fedora-women-list at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-women-list
>



-- 
Gayathri Swaminathan
gpgkey: 3EFB3D39
Volunteer, FDP
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/fedora-women-list/attachments/20080802/fa52d2a3/attachment.htm>