linux-kernel - mm: nommu: convert kenter/kleave/kdebug macros to use pr

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Message-Id: <1431973659-21350-1-git-send-email-leon@leon.nu>
Date:	Mon, 18 May 2015 21:27:39 +0300
From:	Leon Romanovsky <leon@...n.nu>
To:	dhowells@...hat.com, akpm@...ux-foundation.org, aarcange@...hat.com
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Leon Romanovsky <leon@...n.nu>
Subject: mm: nommu: convert kenter/kleave/kdebug macros to use pr_devel()

kenter/kleave/kdebug are wrapper macros to print functions flow and debug
information. This set was written before pr_devel() was introduced, so
it was controlled by "#if 0" construction.

This patch refactors the current macros to use general pr_devel()
functions which won't be compiled in if "#define DEBUG" is not declared
prior to that macros.

Signed-off-by: Leon Romanovsky <leon@...n.nu>
---
 mm/nommu.c |   18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/mm/nommu.c b/mm/nommu.c
index e544508..7e5986b6 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -42,21 +42,15 @@
 #include <asm/mmu_context.h>
 #include "internal.h"
 
-#if 0
-#define kenter(FMT, ...) \
-	printk(KERN_DEBUG "==> %s("FMT")\n", __func__, ##__VA_ARGS__)
-#define kleave(FMT, ...) \
-	printk(KERN_DEBUG "<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
-#define kdebug(FMT, ...) \
-	printk(KERN_DEBUG "xxx" FMT"yyy\n", ##__VA_ARGS__)
-#else
+/*
+ * Relies on "#define DEBUG" construction to print them
+ */
 #define kenter(FMT, ...) \
-	no_printk(KERN_DEBUG "==> %s("FMT")\n", __func__, ##__VA_ARGS__)
+	pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
 #define kleave(FMT, ...) \
-	no_printk(KERN_DEBUG "<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
+	pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
 #define kdebug(FMT, ...) \
-	no_printk(KERN_DEBUG FMT"\n", ##__VA_ARGS__)
-#endif
+	pr_devel("xxx" FMT"yyy\n", ##__VA_ARGS__)
 
 void *high_memory;
 EXPORT_SYMBOL(high_memory);
-- 
1.7.9.5

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