Please use make menuconfig and press / then search for DEBUG_KMEMLEAK_EARLY_LOG_SIZE and adjust value then save and exit.
You will find it under Kernel Hacking -> Memory Debugging -|> Kernel memory leak detector Symbol: DEBUG_KMEMLEAK_EARLY_LOG_SIZE [=] │ Type : integer │ Prompt: Maximum kmemleak early log entries │ Location: │ -> Kernel hacking │ -> Memory Debugging │ (3) -> Kernel memory leak detector (DEBUG_KMEMLEAK [=n]) │ Defined at lib/Kconfig.debug:459 │ Depends on: DEBUG_KMEMLEAK [=n] On Thu, Mar 13, 2014 at 1:39 PM, m silverstri < [email protected]> wrote: > Thanks Sankar. > > If I just modify .config file to enable CONFIG_DEBUG_KMEMLEAK, how can > I 'Increase the config option "Maximum kmemleak early log entires" > value to a sufficiently large number like 1200. The default value of > 400 may not work correctly in all configurations.'? > > On Thu, Mar 13, 2014 at 9:34 AM, Sankar P <[email protected]> > wrote: > > 2014-03-10 10:44 GMT+05:30 m silverstri <[email protected] > >: > >> Hi, > >> > >> I am developing a kernel driver. What should I test to make sure my > >> kernel driver is not leaking memory? > >> 1. under normal operation (when applications open and close my driver > properly) > >> 2. in error situation (when application open my driver and then it > >> crashes without close my driver property) > >> > >> How can I find out the memory usage used by my driver? so that I can > >> monitor it over time. > >> > > > > I have earlier come across a similar situation and kmemleak was very > helpful. > > > > I documented my steps and you may find it useful: > > > > http://psankar.blogspot.in/2010/11/detecting-memory-leaks-in-kernel.html > > > > > > -- > > Sankar P > > http://psankar.blogspot.com > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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