radix_tree_descend

Name:radix_tree_descend

Proto:static unsigned int radix_tree_descend(const struct xa_node *parent, struct xa_node **nodep, unsigned long index)

Type:unsigned int

Parameter:

Type	Parameter	Name
const struct xa_node *	parent
struct xa_node **	nodep
unsigned long	index

97

offset = index >> Bits remaining in each slot & RADIX_TREE_MAP_MASK

98

__rcu * entry = Dependency order vs. p above. (slots[offset])

100

101

Return offset

**Caller**
Name	Describe
__radix_tree_create
__radix_tree_lookup
radix_tree_tag_set	adix_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
radix_tree_tag_clear	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
radix_tree_tag_get	adix_tree_tag_get - get a tag on a radix tree node@root: radix tree root@index: index key@tag: tag index (< RADIX_TREE_MAX_TAGS) Return values:* 0: tag not present or not set* 1: tag set* Note that the return value of this function may not be relied
radix_tree_next_chunk	adix_tree_next_chunk - find next chunk of slots for iteration@root: radix tree root@iter: iterator state@flags: RADIX_TREE_ITER_ flags and tag index* Returns: pointer to chunk first slot, or NULL if iteration is over
idr_get_free

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