linux-kernel - [PATCH 5/6] ftrace: remove freelist from struct dyn

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Message-Id: <1392892387-26826-5-git-send-email-jslaby@suse.cz>
Date:	Thu, 20 Feb 2014 11:33:06 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	rostedt@...dmis.org
Cc:	jirislaby@...il.com, linux-kernel@...r.kernel.org,
	Jiri Slaby <jslaby@...e.cz>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: [PATCH 5/6] ftrace: remove freelist from struct dyn_ftrace

The 'freelist' member was introduced to 'struct dyn_ftrace' in commit
ee000b7f9fe429d2470c674ccec8d344f6789e0d (tracing: use union for
multi-usages field), but the use of this member was later removed in
3208230983a0ee3d95be22d463257e530c684956 (ftrace: Remove usage of
"freed" records). Remove also the 'freelist' member now.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
---
 include/linux/ftrace.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index c0e7df8b4cf0..3084a3a94e0f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -316,12 +316,9 @@ enum {
 #define FTRACE_REF_MAX		((1UL << 29) - 1)
 
 struct dyn_ftrace {
-	union {
-		unsigned long		ip; /* address of mcount call-site */
-		struct dyn_ftrace	*freelist;
-	};
+	unsigned long		ip; /* address of mcount call-site */
 	unsigned long		flags;
-	struct dyn_arch_ftrace		arch;
+	struct dyn_arch_ftrace	arch;
 };
 
 int ftrace_force_update(void);
-- 
1.8.5.2

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