bitmap.h File Reference

#include <string.h>
#include <linux/bitops.h>

Go to the source code of this file.

Macros
#define	BITMAP_LAST_WORD_MASK(nbits)
#define	small_const_nbits(nbits)   (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)

Functions
int	__bitmap_weight (const unsigned long *bitmap, int bits)
void	__bitmap_or (unsigned long *dst, const unsigned long *bitmap1, const unsigned long *bitmap2, int bits)

Macro Definition Documentation

#define BITMAP_LAST_WORD_MASK

(

nbits

)

Value:

(                                   \
    ((nbits) % BITS_PER_LONG) ?                 \
        (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL       \
)

Definition at line 11 of file bitmap.h.

#define small_const_nbits

(

nbits

)

(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)

Definition at line 17 of file bitmap.h.

Function Documentation

void __bitmap_or	(	unsigned long *	dst,
		const unsigned long *	bitmap1,
		const unsigned long *	bitmap2,
		int	bits
	)

Definition at line 197 of file bitmap.c.

int __bitmap_weight	(	const unsigned long *	bitmap,
		int	bits
	)

Definition at line 262 of file bitmap.c.