Re: [PATCH v1 1/1] bitmap.h: add const modifier to bitmap_next_[set/clear]_region() argument

From: Andy Shevchenko
Date: Tue Jul 27 2021 - 07:48:58 EST


On Tue, Jul 27, 2021 at 11:44:41AM +0200, Andrea Merello wrote:
> Those two functions don't modify the bitmap, so their bitmap argument
> should be const. This patch add this.

Constification is always a good thing. No objections from me,
although Yuri is doing something with them in one of his patch series.

Yuri, do you have a public repo / branch that people can base their changes to
bitmap stuff against of?

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Signed-off-by: Andrea Merello <andrea.merello@xxxxxx>
> ---
> include/linux/bitmap.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
> index a36cfcec4e77..ea4a8f1a2545 100644
> --- a/include/linux/bitmap.h
> +++ b/include/linux/bitmap.h
> @@ -458,7 +458,7 @@ static inline void bitmap_replace(unsigned long *dst,
> __bitmap_replace(dst, old, new, mask, nbits);
> }
>
> -static inline void bitmap_next_clear_region(unsigned long *bitmap,
> +static inline void bitmap_next_clear_region(const unsigned long *bitmap,
> unsigned int *rs, unsigned int *re,
> unsigned int end)
> {
> @@ -466,7 +466,7 @@ static inline void bitmap_next_clear_region(unsigned long *bitmap,
> *re = find_next_bit(bitmap, end, *rs + 1);
> }
>
> -static inline void bitmap_next_set_region(unsigned long *bitmap,
> +static inline void bitmap_next_set_region(const unsigned long *bitmap,
> unsigned int *rs, unsigned int *re,
> unsigned int end)
> {
> --
> 2.17.1
>

--
With Best Regards,
Andy Shevchenko