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From: Huang Ying <ying.huang@intel.com>
To: Len Brown <lenb@kernel.org>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
	Tony Luck <tony.luck@intel.com>, ying.huang@intel.com,
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	Linus Torvalds <torvalds@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>
Subject: [PATCH -v3 1/4] printk, Add pr_pfx for library functions
Date: Thu,  2 Dec 2010 16:05:02 +0800
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--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -202,6 +202,13 @@ extern void print_hex_dump_bytes(const c
 #endif
 
 /*
+ * Used by library functions, where log level and line prefix need to
+ * be specifieded by the caller.
+ */
+#define pr_pfx(pfx, fmt, ...) \
+	printk("%s" fmt, pfx, ##__VA_ARGS__)
+
+/*
  * ratelimited messages with local ratelimit_state,
  * no local ratelimit_state used in the !PRINTK case
  */