Re: Coldfire uClinux ram usage

Hi Stan,

Stan Marly wrote:
> I have a question regarding uClinux 2.4.32 slab allocator.
> I have a system (Coldfire 5208) with 16 mbytes of Ram and 8 Mbytes of
> flash.
> When the system starts, I have:
> Memory available: 12800k/16383k RAM, 0k/0k ROM (896k kernel code, 275k
> data) # free
>         total:    used:    free:  shared: buffers:  cached:
> Mem:  13139968  2695168 10444800        0   237568   249856
> 
> At this stage, if I do a cat /proc/slabinfo and I f I sum all the
> buffers (all the buffers, not only the active ones), the total is about
> 2 Mbytes, that is not so far from the 2,6 Mbytes used given by "free".
> 
> Now if I run my application ( tcl interpreter), the sum of all the
> buffers of /proc/slabinfo is about 6.5 Mbytes (!!) and free returns a
> ram usage of 9.5 Mbytes.
> => I have lost 3 Mbytes.
> Could someone tell me how to recover these Megabytes or where are they
> located ?

Can you send the complete output of "cat /proc/slabinfo" , and
"cat /proc/meminfo" too.

Regards
Greg



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Greg Ungerer  --  Chief Software Dude       EMAIL:     [email protected]
Secure Computing Corporation                PHONE:       +61 7 3435 2888
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