Function report |
Source Code:mm\interval_tree.c |
Create Date:2022-07-28 14:31:45 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:vma_interval_tree_iter_first
Proto:struct vm_area_struct *vma_interval_tree_iter_first(struct rb_root_cached *root, unsigned long start, unsigned long last)
Type:struct vm_area_struct
Parameter:
Type | Parameter | Name |
---|---|---|
struct rb_root_cached * | root | |
unsigned long | start | |
unsigned long | last |
25 | If Not rb_node Then Return NULL |
25 | node = ({ |
25 | }) |
25 | If rb_subtree_last < start Then Return NULL |
25 | leftmost = ({ |
25 | __mptr = rb_leftmost |
25 | Do |
25 | When 0 cycle |
25 | __mptr - __builtin_offsetof(structvm_area_struct, rb) |
25 | }) |
25 | If vma_start_pgoff(leftmost) > last Then Return NULL |
25 | Return vma_interval_tree_subtree_search(node, start, last) |
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