函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\zswap.c Create Date:2022-07-27 16:52:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：zswap_update_total_size

函数原型：static void zswap_update_total_size(void)

返回类型：void

参数：无

220  total等于0
222  _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
224  遍历RCU(pool, & RCU-protected iteration , list)
225  total加等于zpool_get_total_size(zpool)
227  _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()
229  Total bytes used by the compressed storage 等于total
调用者
名称描述
zswap_free_entryCarries out the common pattern of freeing and entry's zpool allocation,* freeing the entry itself, and decrementing the number of stored pages.
zswap_frontswap_storeattempts to compress and store an single page