函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:include\linux\log2.h Create Date:2022-07-27 06:38:16
首页 Copyright©Brick

59
60
61
62
63
64
65
66
67
/**
 * __rounddown_pow_of_two() - round down to nearest power of two
 * @n: value to round down
 */
static inline __attribute__((const))
unsigned long __rounddown_pow_of_two(unsigned long n)
{
    return 1UL << (fls_long(n) - 1);
}