函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\workingset.c Create Date:2022-07-27 15:58:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：workingset_activation - note a page activation*@page: page that is being activated

函数原型：void workingset_activation(struct page *page)

返回类型：void

参数：

类型参数名称
struct page *page
375  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
383  memcg等于page_memcg_rcu(page)
384  如果非mem_cgroup_disabled()且非memcg则转到:out
386  advance_inactive_age(memcg, page_pgdat(page))
387  out :
388  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
调用者
名称描述
mark_page_accessedMark a page as having seen activity.* inactive,unreferenced -> inactive,referenced* inactive,referenced -> active,unreferenced* active,unreferenced -> active,referenced* When a newly allocated page is not yet visible, so safe for non-atomic ops,