diff options
| -rw-r--r-- | kernel/trace/ftrace.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 5633d37d8806..c51a91aea1fd 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1368,11 +1368,10 @@ static struct ftrace_hash *dup_hash(struct ftrace_hash *src, int size) int i; /* - * Make the hash size about 1/2 the # found + * Use around half the size (max bit of it), but + * a minimum of 2 is fine (as size of 0 or 1 both give 1 for bits). */ - bits = fls(size); - if (bits) - bits--; + bits = fls(size / 2); /* Don't allocate too much */ if (bits > FTRACE_HASH_MAX_BITS) |