On 11/18/21 at 09:53am, Heiko Carstens wrote:
> On Thu, Nov 18, 2021 at 03:13:27PM +0800, Baoquan He wrote:
> > On 11/18/21 at 05:46am, kernel test robot wrote:
> > > arch/s390/kernel/machine_kexec_file.c: In function 'arch_kimage_file_post_load_cleanup':
> > > >> arch/s390/kernel/machine_kexec_file.c:332:9: error: implicit declaration of function 'kvfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration]
> > > 332 | kvfree(image->arch.ipl_buf);
> > > | ^~~~~~
> > > | vfree
> >
> > OK, kvfree is not wrong, seems vfree is more appropriate since it's
> > clear the ipl_buf is allocated with zvalloc() in ipl_report_finish().
> >
> > Hi Heiko,
> >
> > Could you help modify the code in your tree or append below patch to
> > mute the lkp complaint? Sorry for the inconvenience.
> ...
> > arch/s390/kernel/machine_kexec_file.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
> > index 7f51837e9bc2..351a7ff69a43 100644
> > --- a/arch/s390/kernel/machine_kexec_file.c
> > +++ b/arch/s390/kernel/machine_kexec_file.c
> > @@ -329,7 +329,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
> >
> > int arch_kimage_file_post_load_cleanup(struct kimage *image)
> > {
> > - kvfree(image->arch.ipl_buf);
> > + vfree(image->arch.ipl_buf);
>
> The problem reported above indicates that slab.h was not
> included. With your patch, while it fixes the problem for this
> particular configuration, this requires vmalloc.h to be included.
Indeed, thanks.
>
> I'll merge your patch and add the missing include as well.
>
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