Hi, So If i do a kzalloc() in my module and then unload my module without freeing it, it will be a memory leak...........Am i right ?? .. Or the kernel is intelligent enough to check and free those memory buffers during unload of the module ? Thanks in advance On Jan 23, 2008 6:24 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > Hi... > > > On Jan 23, 2008 4:00 PM, sahlot arvind <asahlot@xxxxxxxxx> wrote: > > I have written a simple LKM. I just want to test whether there is a memory > > leak in the module or not? > > > > Could any body suggest me how to test the memory leakage in LKM? > > Hard to say. You mean, i.e you did kmalloc() inside kernel module then > later you want to know is it forgotten to be kfree()-ed? > > In that case, I say it's hard because AFAIK kmalloc()-ed pages isn't > assigned to certain process address space. Even if it's assigned to a > process address space, you still need something like valgrind to know > whether something is leaked or not. Unfortunately valgrind can only do > that in user space. > > Linux-mm folks should provide you better explanation. > > regards, > > Mulyadi > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- Thanks & Regards, ******************************************** Manish Katiyar ( http://mkatiyar.googlepages.com ) 3rd Floor, Fair Winds Block EGL Software Park Off Intermediate Ring Road Bangalore 560071, India *********************************************** -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
