cvs commit: src/sys/kern kern_linker.c

[Peter Edwards]

Hi Nate,

Nate Lawson wrote:

>On Fri, 9 Apr 2004, Peter Edwards wrote:
>  
>
>>peadar      2004/04/09 08:27:38 PDT
>>
>>  FreeBSD src repository
>>
>>  Modified files:
>>    sys/kern             kern_linker.c
>>  Log:
>>  Plug minor memory leak of module_t structures when unloading a file
>>  from the kernel.
>>
>>  Reviewed By: Doug Rabson (dfr@)
>>
>>  Revision  Changes    Path
>>  1.110     +3 -1      src/sys/kern/kern_linker.c
>>    
>>
>
>Excellent!  In stress testing some attach/detach routines with
>load/unload, I noticed memory allocation slowly increasing but couldn't
>find a problem with my driver.  Are there any other observable leaks?
>
>-Nate
>
>  
>
As far as I can tell, that was the only leak. I was updating NFS 
client/server to allow safe loads/unloads, and with the patch, 2 minutes 
running this:

> while true
> do
>     kldload nfsclient
>     kldunload nfsclient
> done


made no noticable difference to the wired memory reported in top, or any 
of the "InUse" counts from vmstat -m.