On Tue, May 16, 2023 at 09:57:29PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The arch_report_meminfo() function is provided by four architectures, > with a __weak fallback in procfs itself. On architectures that don't > have a custom version, the __weak version causes a warning because > of the missing prototype. > > Remove the architecture specific prototypes and instead add one > in linux/proc_fs.h. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > arch/parisc/include/asm/pgtable.h | 3 --- > arch/powerpc/include/asm/pgtable.h | 3 --- > arch/s390/include/asm/pgtable.h | 3 --- > arch/s390/mm/pageattr.c | 1 + > arch/x86/include/asm/pgtable.h | 1 + > arch/x86/include/asm/pgtable_types.h | 3 --- > arch/x86/mm/pat/set_memory.c | 1 + > include/linux/proc_fs.h | 2 ++ > 8 files changed, 5 insertions(+), 12 deletions(-) ... > diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h > index 6822a11c2c8a..c55f3c3365af 100644 > --- a/arch/s390/include/asm/pgtable.h > +++ b/arch/s390/include/asm/pgtable.h > @@ -42,9 +42,6 @@ static inline void update_page_count(int level, long count) > atomic_long_add(count, &direct_pages_count[level]); > } > > -struct seq_file; > -void arch_report_meminfo(struct seq_file *m); > - > /* > * The S390 doesn't have any external MMU info: the kernel page > * tables contain all the necessary information. > diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c > index 5ba3bd8a7b12..ca5a418c58a8 100644 > --- a/arch/s390/mm/pageattr.c > +++ b/arch/s390/mm/pageattr.c > @@ -4,6 +4,7 @@ > * Author(s): Jan Glauber <jang@xxxxxxxxxxxxxxxxxx> > */ > #include <linux/hugetlb.h> > +#include <linux/proc_fs.h> > #include <linux/vmalloc.h> > #include <linux/mm.h> > #include <asm/cacheflush.h> For s390: Reviewed-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>