函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\vmalloc.c Create Date:2022-07-27 16:28:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Kick off a purge of the outstanding lazy areas. Don't bother if somebody* is already purging.

函数原型：static void try_purge_vmap_area_lazy(void)

返回类型：void

参数：无

1339  如果mutex_trylock - try to acquire the mutex, without waiting*@lock: the mutex to be acquired* Try to acquire the mutex atomically则
1340  Purges all lazily-freed vmap areas.
1341  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.
调用者
名称描述
free_vmap_area_noflushFree a vmap area, caller ensuring that the area has been unmapped* and flush_cache_vunmap had been called for the correct range* previously.