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 07:10:13
Last Modify:2022-05-21 10:04:37 Copyright©Brick
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函数名称：root_tag_set

函数原型：static inline void root_tag_set(struct xarray *root, unsigned tag)

返回类型：void

参数：

类型参数名称
struct xarray *root
unsignedtag
129  private: The rest of the data structure is not to be used directly. |= (__force gfp_t)(1 << (tag + The top bits of xa_flags are used to store the root tags ))
调用者
名称描述
radix_tree_extendExtend a radix tree so it can store key @index.
node_tag_set
radix_tree_tag_setadix_tree_tag_set - set a tag on a radix tree node*@root: radix tree root*@index: index key*@tag: tag index* Set the search tag (which must be < RADIX_TREE_MAX_TAGS)* corresponding to @index in the radix tree. From
idr_destroydr_destroy - release all internal memory from an IDR*@idr: idr handle* After this function is called, the IDR is empty, and may be reused or* the data structure containing it may be freed