/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_GENERIC_BITOPS_SCHED_H_#define _ASM_GENERIC_BITOPS_SCHED_H_ #include <linux/compiler.h>	/* unlikely() */#include <asm/types.h> /* * Every architecture must define this function. It's the fastest * way of searching a 100-bit bitmap.  It's guaranteed that at least * one of the 100 bits is cleared. */static inline int sched_find_first_bit(const unsigned long *b){#if BITS_PER_LONG == 64	if (b[0])		return __ffs(b[0]);	return __ffs(b[1]) + 64;#elif BITS_PER_LONG == 32	if (b[0])		return __ffs(b[0]);	if (b[1])		return __ffs(b[1]) + 32;	if (b[2])		return __ffs(b[2]) + 64;	return __ffs(b[3]) + 96;#else#error BITS_PER_LONG not defined#endif} #endif /* _ASM_GENERIC_BITOPS_SCHED_H_ */