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 17:45:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：memcg_update_kmem_max

函数原型：static int memcg_update_kmem_max(struct mem_cgroup *memcg, unsigned long max)

返回类型：int

参数：

类型参数名称
struct mem_cgroup *memcg
unsigned longmax
3452  mutex_lock( & memcg_max_mutex)
3453  ret等于page_counter_set_max - set the maximum number of pages allowed*@counter: counter*@nr_pages: limit to set* Returns 0 on success, -EBUSY if the current number of pages on the* counter already exceeds the specified limit.
3454  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
3455  返回:ret
调用者
名称描述
mem_cgroup_writeThe user of this function is...* RES_LIMIT.