bitmap: drop __find_nth_andnot_bit()

[PATCH] bitmap: drop __find_nth_andnot_bit()

Posted by Yury Norov 1 month, 1 week ago

Remove find_nth_andnot_bit() leftovers.

Fixes: b0c85e99458a ("cpumask: Remove unnecessary cpumask_nth_andnot()")
Signed-off-by: Yury Norov <ynorov@nvidia.com>
---
 include/linux/find.h | 2 --
 lib/find_bit.c       | 7 -------
 2 files changed, 9 deletions(-)

diff --git a/include/linux/find.h b/include/linux/find.h
index 9d720ad92bc1..6c2be8ca615d 100644
--- a/include/linux/find.h
+++ b/include/linux/find.h
@@ -22,8 +22,6 @@ extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long si
 unsigned long __find_nth_bit(const unsigned long *addr, unsigned long size, unsigned long n);
 unsigned long __find_nth_and_bit(const unsigned long *addr1, const unsigned long *addr2,
 				unsigned long size, unsigned long n);
-unsigned long __find_nth_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
-					unsigned long size, unsigned long n);
 unsigned long __find_nth_and_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
 					const unsigned long *addr3, unsigned long size,
 					unsigned long n);
diff --git a/lib/find_bit.c b/lib/find_bit.c
index 5a0066c26d9a..5ac52dfce730 100644
--- a/lib/find_bit.c
+++ b/lib/find_bit.c
@@ -172,13 +172,6 @@ unsigned long __find_nth_and_bit(const unsigned long *addr1, const unsigned long
 }
 EXPORT_SYMBOL(__find_nth_and_bit);
 
-unsigned long __find_nth_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
-				 unsigned long size, unsigned long n)
-{
-	return FIND_NTH_BIT(addr1[idx] & ~addr2[idx], size, n);
-}
-EXPORT_SYMBOL(__find_nth_andnot_bit);
-
 unsigned long __find_nth_and_andnot_bit(const unsigned long *addr1,
 					const unsigned long *addr2,
 					const unsigned long *addr3,
-- 
2.43.0

Re: [PATCH] bitmap: drop __find_nth_andnot_bit()

Posted by Yury Norov 1 month ago

On Wed, Feb 25, 2026 at 06:58:32PM -0500, Yury Norov wrote:
> Remove find_nth_andnot_bit() leftovers.
> 
> Fixes: b0c85e99458a ("cpumask: Remove unnecessary cpumask_nth_andnot()")
> Signed-off-by: Yury Norov <ynorov@nvidia.com>

OK, taking in -next for testing.

> ---
>  include/linux/find.h | 2 --
>  lib/find_bit.c       | 7 -------
>  2 files changed, 9 deletions(-)
> 
> diff --git a/include/linux/find.h b/include/linux/find.h
> index 9d720ad92bc1..6c2be8ca615d 100644
> --- a/include/linux/find.h
> +++ b/include/linux/find.h
> @@ -22,8 +22,6 @@ extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long si
>  unsigned long __find_nth_bit(const unsigned long *addr, unsigned long size, unsigned long n);
>  unsigned long __find_nth_and_bit(const unsigned long *addr1, const unsigned long *addr2,
>  				unsigned long size, unsigned long n);
> -unsigned long __find_nth_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
> -					unsigned long size, unsigned long n);
>  unsigned long __find_nth_and_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
>  					const unsigned long *addr3, unsigned long size,
>  					unsigned long n);
> diff --git a/lib/find_bit.c b/lib/find_bit.c
> index 5a0066c26d9a..5ac52dfce730 100644
> --- a/lib/find_bit.c
> +++ b/lib/find_bit.c
> @@ -172,13 +172,6 @@ unsigned long __find_nth_and_bit(const unsigned long *addr1, const unsigned long
>  }
>  EXPORT_SYMBOL(__find_nth_and_bit);
>  
> -unsigned long __find_nth_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
> -				 unsigned long size, unsigned long n)
> -{
> -	return FIND_NTH_BIT(addr1[idx] & ~addr2[idx], size, n);
> -}
> -EXPORT_SYMBOL(__find_nth_andnot_bit);
> -
>  unsigned long __find_nth_and_andnot_bit(const unsigned long *addr1,
>  					const unsigned long *addr2,
>  					const unsigned long *addr3,
> -- 
> 2.43.0