Function report |
Source Code:kernel\bpf\hashtab.c |
Create Date:2022-07-28 13:10:17 |
Last Modify:2022-05-23 09:15:29 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:htab_lru_map_delete_elem
Proto:static int htab_lru_map_delete_elem(struct bpf_map *map, void *key)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct bpf_map * | map | |
void * | key |
1149 | WARN_ON_ONCE(!_read_lock_held() - might we be in RCU read-side critical section?* If CONFIG_DEBUG_LOCK_ALLOC is selected, returns nonzero iff in an RCU* read-side critical section) |
1153 | hash = htab_map_hash(key, key_size, hashrnd) |
1154 | b = __select_bucket(htab, hash) |
1157 | raw_spin_lock_irqsave( & lock, flags) |
1161 | If l Then |
1163 | ret = 0 |
1166 | raw_spin_unlock_irqrestore( & lock, flags) |
1167 | If l Then bpf_lru_push_free( & lru, & lru_node) |
1169 | Return ret |
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