net_dim.h has a rather useful extension to BITS_PER_BYTE to compute the number of bits in a type (BITS_PER_BYTE * sizeof(T)), so promote the macro to bitops.h, alongside BITS_PER_BYTE, for wider usage.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Jani Nikula <jani.nik...@linux.intel.com> Cc: Andy Gospodarek <go...@broadcom.com> Cc: David S. Miller <da...@davemloft.net> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Ingo Molnar <mi...@kernel.org> --- include/linux/bitops.h | 3 ++- include/linux/net_dim.h | 1 - 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 4cac4e1a72ff..091cb17d1a9b 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -11,7 +11,8 @@ #define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) #define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) #define BITS_PER_BYTE 8 -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) #endif /* diff --git a/include/linux/net_dim.h b/include/linux/net_dim.h index 29ed8fd6379a..14f1734e740a 100644 --- a/include/linux/net_dim.h +++ b/include/linux/net_dim.h @@ -326,7 +326,6 @@ static inline void net_dim_sample(u16 event_ctr, } #define NET_DIM_NEVENTS 64 -#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) #define BIT_GAP(bits, end, start) ((((end) - (start)) + BIT_ULL(bits)) & (BIT_ULL(bits) - 1)) static inline void net_dim_calc_stats(struct net_dim_sample *start, -- 2.18.0