linux-kernel - [PATCH 7/7] kmemtrace: update usage of ring_buffer_lock

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Date:	Mon, 23 Mar 2009 15:12:27 +0200
From:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
To:	mingo@...e.hu
Cc:	rostedt@...dmis.org, compudj@...stal.dyndns.org,
	fweisbec@...il.com, penberg@...helsinki.fi,
	paulmck@...ux.vnet.ibm.com,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/7] kmemtrace: update usage of ring_buffer_lock_reserve()

The ring buffer API has changed a bit and kmemtrace wasn't compiling
anymore. This fixes the issue and allows kmemtrace to build.

Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
---
 kernel/trace/kmemtrace.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
index 98e6f76..26ec3c3 100644
--- a/kernel/trace/kmemtrace.c
+++ b/kernel/trace/kmemtrace.c
@@ -59,10 +59,8 @@ static inline void kmemtrace_alloc(enum kmemtrace_type_id type_id,
 	struct ring_buffer_event *event;
 	struct kmemtrace_alloc_entry *entry;
 	struct trace_array *tr = kmemtrace_array;
-	unsigned long irq_flags;
 
-	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-					 &irq_flags);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
@@ -77,7 +75,7 @@ static inline void kmemtrace_alloc(enum kmemtrace_type_id type_id,
 	entry->gfp_flags = gfp_flags;
 	entry->node	=	node;
 
-	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+	ring_buffer_unlock_commit(tr->buffer, event);
 
 	trace_wake_up();
 }
@@ -89,10 +87,8 @@ static inline void kmemtrace_free(enum kmemtrace_type_id type_id,
 	struct ring_buffer_event *event;
 	struct kmemtrace_free_entry *entry;
 	struct trace_array *tr = kmemtrace_array;
-	unsigned long irq_flags;
 
-	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-					 &irq_flags);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
@@ -103,7 +99,7 @@ static inline void kmemtrace_free(enum kmemtrace_type_id type_id,
 	entry->call_site = call_site;
 	entry->ptr = ptr;
 
-	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+	ring_buffer_unlock_commit(tr->buffer, event);
 
 	trace_wake_up();
 }
-- 
1.6.0.6

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