函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page-writeback.c Create Date:2022-07-27 15:33:05
Last Modify:2022-05-23 13:25:58 Copyright©Brick
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函数名称：wb_domain_init

函数原型：int wb_domain_init(struct wb_domain *dom, gfp_t gfp)

返回类型：int

参数：

类型参数名称
struct wb_domain *dom
gfp_tgfp
649  memset(dom, 0, dom的长度)
651  spin_lock_init( & lock)
653  imer_setup - prepare a timer for first use*@timer: the timer in question*@callback: the function to call when timer expires*@flags: any TIMER_* flags* Regular timer initialization should use either DEFINE_TIMER() above,* or timer_setup()( & imer for aging of completions , On idle system, we can be called long after we scheduled because we use* deferred timers so count with missed periods., TIMER_DEFERRABLE)
655  The dirtyable memory and dirty threshold could be suddenly* knocked down by a large amount (eg等于jiffies
657  返回:SPDX-License-Identifier: GPL-2.0
调用者
名称描述
page_writeback_initCalled early on to tune the page writeback dirty limits