From ed3986ca30972c94f0076f88c948406ce030a05c Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Wed, 22 Nov 2017 02:38:11 +0900 Subject: bitops: collect BIT macros to include/linux/bitops.h Same macros are defined in various places. Collect them into include/linux/bitops.h like Linux. Signed-off-by: Masahiro Yamada --- include/linux/bitops.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux') diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 576b15dc53..a47f6d17bb 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -5,9 +5,16 @@ #include #include +#ifdef __KERNEL__ #define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#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)) +#endif /* * Create a contiguous bitmask starting at bit position @l and ending at -- cgit v1.2.3