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| // SPDX-License-Identifier: GPL-2.0+
| #ifndef __LINUX_BITMAP_H
| #define __LINUX_BITMAP_H
|
| #include <asm/types.h>
| #include <linux/types.h>
| #include <linux/bitops.h>
|
| #define small_const_nbits(nbits) \
| (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
|
| static inline void bitmap_zero(unsigned long *dst, int nbits)
| {
| if (small_const_nbits(nbits)) {
| *dst = 0UL;
| } else {
| int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
|
| memset(dst, 0, len);
| }
| }
|
| #endif /* __LINUX_BITMAP_H */
|
|
