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tracing: Get rid of unneeded key calculation in ftrace_hash_move()
author
Namhyung Kim
<namhyung.kim@lge.com>
Wed, 10 Apr 2013 00:18:11 +0000
(09:18 +0900)
committer
Steven Rostedt
<rostedt@goodmis.org>
Sat, 13 Apr 2013 03:02:31 +0000
(23:02 -0400)
It's not used anywhere in the function.
Link:
http://lkml.kernel.org/r/1365553093-10180-1-git-send-email-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/ftrace.c
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diff --git
a/kernel/trace/ftrace.c
b/kernel/trace/ftrace.c
index
9e31987
..
3b84fc1
100644
(file)
--- a/
kernel/trace/ftrace.c
+++ b/
kernel/trace/ftrace.c
@@
-1320,7
+1320,6
@@
ftrace_hash_move(struct ftrace_ops *ops, int enable,
struct hlist_head *hhd;
struct ftrace_hash *old_hash;
struct ftrace_hash *new_hash;
- unsigned long key;
int size = src->count;
int bits = 0;
int ret;
@@
-1363,10
+1362,6
@@
ftrace_hash_move(struct ftrace_ops *ops, int enable,
for (i = 0; i < size; i++) {
hhd = &src->buckets[i];
hlist_for_each_entry_safe(entry, tp, tn, hhd, hlist) {
- if (bits > 0)
- key = hash_long(entry->ip, bits);
- else
- key = 0;
remove_hash_entry(src, entry);
__add_hash_entry(new_hash, entry);
}