函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\bitops.h Create Date:2022-07-27 06:38:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：constant_test_bit

函数原型：static __always_inline bool constant_test_bit(long nr, const volatile unsigned long *addr)

返回类型：bool

参数：

类型参数名称
longnr
const volatile unsigned long *addr
206  返回:1UL左移nr按位与BITS_PER_LONG减1的值位按位与addr[nr >> _BITOPS_LONG_SHIFT]的值不等于0
调用者
名称描述
queue_show_nonrot
set_buffer_uptodateEmit the buffer bitops functions. Note that there are also functions* of the form "mark_buffer_foo()". These are higher-level functions which* do something in addition to setting a b_state bit.