函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memcontrol.c Create Date:2022-07-27 17:44:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mem_cgroup_oom_unlock

函数原型：static void mem_cgroup_oom_unlock(struct mem_cgroup *memcg)

返回类型：void

参数：

类型参数名称
struct mem_cgroup *memcg
1687  加自旋锁
1688  mutex_release( & memcg_oom_lock_dep_map, _RET_IP_)
1689  Iteration constructs for visiting all cgroups (under a tree). If* loops are exited prematurely (break), mem_cgroup_iter_break() must* be used for reference counting.(iter, memcg)
1690  protected by memcg_oom_lock = false
1691  自旋锁解锁
调用者
名称描述
mem_cgroup_oom
mem_cgroup_oom_synchronizemem_cgroup_oom_synchronize - complete memcg OOM handling*@handle: actually kill/wait or just clean up the OOM state* This has to be called at the end of a page fault if the memcg OOM* handler was enabled