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 17:37:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：free_transhuge_page

函数原型：void free_transhuge_page(struct page *page)

返回类型：void

参数：

类型参数名称
struct page *page
2840  ds_queue等于get_deferred_split_queue(page)
2843  spin_lock_irqsave( & split_queue_lock, flags)
2844  如果非链表为空则
2845  split_queue_len自减
2846  删除链表项
2848  spin_unlock_irqrestore( & split_queue_lock, flags)
2849  Higher-order pages are called "compound pages". They are structured thusly:* The first PAGE_SIZE page is called the "head page" and have PG_head set.* The remaining PAGE_SIZE pages are called "tail pages". PageTail() is encoded