Hi Christoph, On Thu, Oct 17, 2019 at 7:53 PM Christoph Hellwig <hch@xxxxxx> wrote: > m68k uses __iounmap as the name for an internal helper that is only > used for some CPU types. Mark it static and give it a better name. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Thanks for your patch! > --- a/arch/m68k/mm/kmap.c > +++ b/arch/m68k/mm/kmap.c > @@ -52,6 +52,7 @@ static inline void free_io_area(void *addr) > > #define IO_SIZE (256*1024) > > +static void __free_io_area(void *addr, unsigned long size); > static struct vm_struct *iolist; > > static struct vm_struct *get_io_area(unsigned long size) > @@ -90,7 +91,7 @@ static inline void free_io_area(void *addr) > if (tmp->addr == addr) { > *p = tmp->next; > /* remove gap added in get_io_area() */ > - __iounmap(tmp->addr, tmp->size - IO_SIZE); > + __free_io_area(tmp->addr, tmp->size - IO_SIZE); > kfree(tmp); > return; > } > @@ -249,12 +250,13 @@ void iounmap(void __iomem *addr) > } > EXPORT_SYMBOL(iounmap); > > +#ifndef CPU_M68040_OR_M68060_ONLY Can you please move this block up, instead of adding more #ifdef cluttery? That would also remove the need for a forward declaration. > /* > - * __iounmap unmaps nearly everything, so be careful > + * __free_io_area unmaps nearly everything, so be careful > * Currently it doesn't free pointer/page tables anymore but this > * wasn't used anyway and might be added later. > */ > -void __iounmap(void *addr, unsigned long size) > +static void __free_io_area(void *addr, unsigned long size) > { > unsigned long virtaddr = (unsigned long)addr; > pgd_t *pgd_dir; > @@ -297,6 +299,7 @@ void __iounmap(void *addr, unsigned long size) > > flush_tlb_all(); > } > +#endif /* CPU_M68040_OR_M68060_ONLY */ > > /* > * Set new cache mode for some kernel address space. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds