diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/ftrace.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 57ab01fd00bd..45548b0200eb 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1249,6 +1249,25 @@ remove_hash_entry(struct ftrace_hash *hash, hash->count--; } +void ftrace_hash_remove(struct ftrace_hash *hash) +{ + struct ftrace_func_entry *entry; + struct hlist_head *hhd; + struct hlist_node *tn; + int size; + int i; + + if (!hash || !hash->count) + return; + size = 1 << hash->size_bits; + for (i = 0; i < size; i++) { + hhd = &hash->buckets[i]; + hlist_for_each_entry_safe(entry, tn, hhd, hlist) + remove_hash_entry(hash, entry); + } + FTRACE_WARN_ON(hash->count); +} + static void ftrace_hash_clear(struct ftrace_hash *hash) { struct hlist_head *hhd; |