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[PATCH] tracing: fix undeclared 'PAGE_SIZE' in include/linux/trace_seq.h

To: Frederic Weisbecker <>,, Linux-MIPS <>
Subject: [PATCH] tracing: fix undeclared 'PAGE_SIZE' in include/linux/trace_seq.h
From: Wu Zhangjin <>
Date: Sun, 14 Jun 2009 14:52:30 +0800
Cc: Steven Rostedt <>, Ralf Baechle <>, Pekka Enberg <>, Wu Zhangjin <>
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Original-recipient: rfc822;
From: Wu Zhangjin <>

when compiling linux-mips with kmemtrace enabled, there will be an

include/linux/trace_seq.h:12: error: 'PAGE_SIZE' undeclared here (not in
                                a function)

I checked the source code and found trace_seq.h used PAGE_SIZE but not
included the relative header file, so, fix it via adding the header file

Acked-by: Pekka Enberg <>
Signed-off-by: Wu Zhangjin <>
 include/linux/trace_seq.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index c68bccb..c134dd1 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -3,6 +3,8 @@
 #include <linux/fs.h>
+#include <asm/page.h>
  * Trace sequences are used to allow a function to call several other functions
  * to create a string of data to use (up to a max of PAGE_SIZE.

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