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 16:36:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Frees a page fragment allocated out of either a compound or order 0 page.

函数原型：void page_frag_free(void *addr)

返回类型：void

参数：

类型参数名称
void *addr
4913  page等于virt_to_head_page(addr)
4915  如果此条件成立可能性小(为编译器优化)(Drop a ref, return true if the refcount fell to zero (the page has no users))则free_the_page(page, compound_order(page))
调用者
名称描述
skb_free_frag