Re: /proc/kcore size

J.A. Magallon
2004-01-12T09:08:39Z

On 01.12, J.A. Magallon wrote:
> Hi all...
>
> To the request of one of my users, I installed the 'hinv' program (1.4pre1) by
> Larry McVoy.
>
> Problem: it detects the memory amount in the box by stat'ing /proc/kcore.
> Thats not the problem, but that the box has 1Gb of memory, and kcore is just
> 896Mb big.
>
> Kernel is built with 4Gb support:
>
> annwn:/proc# free
> total used free shared buffers cached
> Mem: 1033172 1017772 15400 0 164792 556416
> -/+ buffers/cache: 296564 736608
> Swap: 1951856 8 1951848
>
> annwn:/proc# hinv
> Main memory size: 896 Mbytes
> ...
>
> annwn:/proc# ll /proc/kcore
> -r-------- 1 root root 939528192 Jan 12 10:02 /proc/kcore
>
> Exactly the same as a box that has _really_ 896 Mb:
>
> werewolf:/proc# ll kcore
> -r-------- 1 root root 939528192 Jan 12 10:02 kcore
>
> werewolf:/proc# free
> total used free shared buffers cached
> Mem: 905012 276008 629004 0 27268 109344
> -/+ buffers/cache: 139396 765616
> Swap: 345356 0 345356
>
> BUG ?
>

Ooops, sorry. annwn is a (patched)2.4.24 and werewolf is 2.6.1-mm2(+hfsplusfs).

--
J.A. Magallon <jamagallon()able!es> \ Software is like sex:
werewolf!able!es \ It's better when it's free
Mandrake Linux release 10.0 (Cooker) for i586
Linux 2.6.1-jam2 (gcc 3.3.2 (Mandrake Linux 10.0 3.3.2-4mdk))