函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swapfile.c Create Date:2022-07-27 16:46:38
Last Modify:2020-03-17 22:19:49 Copyright©Brick
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函数名称：next_se

函数原型：static inline struct swap_extent *next_se(struct swap_extent *se)

返回类型：struct swap_extent

参数：

类型参数名称
struct swap_extent *se
163  rb等于rb_next( & rb_node)
164  返回:rb ? rb_entry(rb, structswap_extent, rb_node) : NULL
调用者
名称描述
discard_swapswapon tell device that all the old swap contents can be discarded,* to allow the swap device to optimize its wear-levelling.
discard_swap_clusterswap allocation tell device that a cluster of swap can now be discarded,* to allow the swap device to optimize its wear-levelling.