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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Namhyung Kim <namhyung@kernel.org>
Subject: [for-next][PATCH 4/7] tracing: Get rid of unneeded key calculation in ftrace_hash_move()
Date: Fri, 19 Apr 2013 10:04:06 -0400	[thread overview]
Message-ID: <20130419140556.988391624@goodmis.org> (raw)
In-Reply-To: <20130419140402.730041313@goodmis.org>

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From: Namhyung Kim <namhyung.kim@lge.com>

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 |    5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 9e31987..3b84fc1 100644
--- 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);
 		}
-- 
1.7.10.4



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  parent reply	other threads:[~2013-04-19 14:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-19 14:04 [for-next][PATCH 0/7] tracing: Various cleanups and small fixes Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 1/7] kernel: tracing: Use strlcpy instead of strncpy Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 2/7] tracing: Fix off-by-one on allocating stat->pages Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 3/7] tracing: Reset ftrace_graph_filter_enabled if count is zero Steven Rostedt
2013-04-19 14:04 ` Steven Rostedt [this message]
2013-04-19 14:04 ` [for-next][PATCH 5/7] tracing: Check return value of tracing_init_dentry() Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 6/7] ftrace: Get rid of ftrace_profile_bits Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 7/7] tracing: Remove obsolete macro guard _TRACE_PROFILE_INIT Steven Rostedt

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