函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\radix-tree.c Create Date:2022-07-27 07:10:22
Last Modify:2022-05-21 10:04:37 Copyright©Brick
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函数名称:adix_tree_tag_clear - clear a tag on a radix tree node*@root: radix tree root*@index: index key*@tag: tag index* Clear the search tag (which must be < RADIX_TREE_MAX_TAGS)* corresponding to @index in the radix tree

函数原型:void *radix_tree_tag_clear(struct xarray *root, unsigned long index, unsigned int tag)

返回类型:void

参数:

类型参数名称
struct xarray *root
unsigned longindex
unsigned inttag
1043  offset等于offset
1045  radix_tree_load_root(root, & node, & maxindex)
1046  如果index大于maxindex则返回:NULL
1049  parent = NULL
1051 radix_tree_is_internal_node(node)循环
1052  parent等于entry_to_node(node)
1053  offset等于radix_tree_descend(parent, & node, index)
1056  如果nodenode_tag_clear(root, parent, tag, offset)
1059  返回:node
调用者
名称描述
active_cacheline_set_overlap