Re: [RFC PATCH] check_freeing_devm: Also track erroneous usage of kfree when the pointer has been re-assigned

On Thu, May 26, 2022 at 01:40:51PM +0200, Marion & Christophe JAILLET wrote:
> 
> Le 26/05/2022 à 13:07, Dan Carpenter a écrit :
> > On Thu, May 26, 2022 at 12:30:05PM +0200, Christophe JAILLET wrote:
> > > Le 26/05/2022 à 11:51, Dan Carpenter a écrit :
> > > > > All I know is that it seams to work for me, even if it has not detected any
> > > > > issue yet :) (compiling takes SO MUCH time on my machine)
> > > > Yeah. :/  How big is your smatch_db.sqlite file?
> > > I don't use any up-to-now.
> > Basically all my changes are targetted at making the smatch_db.sqlite
> > file smaller so they won't help you.  Are you at least doing a parallel
> > build?  The smatch_scripts/test_kernel.sh script does a make -j${NR_CPU}.
> 
> Yep.
> 
> I've also tweaked smatch_scripts/kchecker which doesn't have any -j, IIUC.

Normally, I only use kchecker on one file...  The problem with doing
parallel builds is that you have to print the warnings to a file instead
of to stdout.

regards,
dan carpenter