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 17:34:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:get_deferred_split_queue

函数原型:static inline struct deferred_split *get_deferred_split_queue(struct page *page)

返回类型:struct deferred_split

参数:

类型参数名称
struct page *page
494  memcg等于mem_cgroup
495  pgdat等于NUMA节点数据区(page_to_nid(page))
497  如果memcg则返回:deferred_split_queue
499  否则返回:deferred_split_queue
调用者
名称描述
split_huge_page_to_listThis function splits huge page into normal pages. @page can point to any* subpage of huge page to split. Split doesn't change the position of @page.* Only caller must hold pin on the @page, otherwise split fails with -EBUSY.* The huge page must be locked.
free_transhuge_page
deferred_split_huge_page