On Mär 03 2021, Marco Elver wrote: > On Wed, 3 Mar 2021 at 11:32, Christophe Leroy > <christophe.le...@csgroup.eu> wrote: >> ./include/linux/kern_levels.h:5:18: warning: format '%zd' expects argument >> of type 'signed size_t', >> but argument 3 has type 'ptrdiff_t' {aka 'const long int'} [-Wformat=] >> 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ >> | ^~~~~~ >> ./include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' >> 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ >> | ^~~~~~~~ >> ./include/linux/printk.h:343:9: note: in expansion of macro 'KERN_ERR' >> 343 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) >> | ^~~~~~~~ >> mm/kfence/report.c:233:3: note: in expansion of macro 'pr_err' >> 233 | pr_err("Invalid free of 0x%p (in kfence-#%zd):\n", (void >> *)address, >> | ^~~~~~ >> >> Christophe > > No this is not expected. Is 'signed size_t' != 'long int' on ppc32?
If you want to format a ptrdiff_t you should use %td. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."