函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_alloc.c Create Date:2022-07-27 16:38:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：The zone indicated has a new number of managed_pages; batch sizes and percpu* page high values need to be recalulated.

函数原型：void __meminit zone_pcp_update(struct zone *zone)

返回类型：void

参数：

类型参数名称
struct zone *zone
8618  mutex_lock( & prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields )
8619  __zone_pcp_update(zone)
8620  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.