函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\vmstat.h Create Date:2022-07-27 06:44:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__dec_zone_state

函数原型：static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)

返回类型：void

参数：

类型参数名称
struct zone *zone
enum zone_stat_itemitem
318  atomic_long_dec( & 内存域的统计信息[item])
319  atomic_long_dec( & Zone and node-based page accounting with per cpu differentials.[item])
调用者
名称描述
migrate_page_move_mappingReplace the page in the mapping.* The number of remaining references must be:* 1 for anonymous pages without a mapping* 2 for pages with a mapping* 3 for pages with a mapping and PagePrivate/PagePrivate2 set.
__dec_zone_page_state