函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\huge_memory.c Create Date:2022-07-27 17:34:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：shrink_huge_zero_page_count

函数原型：static unsigned long shrink_huge_zero_page_count(struct shrinker *shrink, struct shrink_control *sc)

返回类型：unsigned long

参数：

类型参数名称
struct shrinker *shrink
struct shrink_control *sc
140  返回:如果atomic_read( & huge_zero_refcount)恒等于1则HPAGE_PMD_NR否则0